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Zhang L, Ma Y, Liu B. Prognostic Performance of Three Lymph-Node Staging Systems on Gastric Signet-Ring-Cell Carcinoma. Cancers (Basel) 2023; 15:3170. [PMID: 37370780 DOI: 10.3390/cancers15123170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 05/31/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
BACKGROUND The lymph-node staging system can predict the prognosis of gastric signet-ring-cell carcinoma (SRCC). However, there are significant differences in lymph-node status between early SRCC and advanced SRCC. Additionally, the optimal system for early and advanced SRCC remains unknown. METHODS This study retrospectively analyzed 693 SRCC patients who underwent radical resection in the Department of Gastrointestinal Surgery, Harbin Medical University Cancer Hospital. The predicted performance of three lymph-node staging systems, including pN staging, lymph-node metastasis rate (LNR), and log odds of positive lymph nodes (LODDS), was compared using the receiver characteristic operating curve (ROC) and c-index. The Kaplan-Meier method and the log-rank test analyzed the overall survival of patients. The Cox risk regression model identified independent risk factors associated with patient outcomes. The nomogram was made by R studio. RESULTS The 693 SRCC included 165 early SRCC and 528 advanced SRCC. ROC showed that LODDS had better predictive performance than pN and LNR in predicting prognosis regardless of early or advanced SRCC. LODDS can be used to predict the prognosis of early and advanced SRCC and was an independent risk factor associated with patient outcomes (p = 0.002, p < 0.001). Furthermore, the nomogram constructed by LODDS and clinicopathological features had good predictive performance. CONCLUSIONS LODDS showed clear prognostic superiority over both pN and LNR in early and advanced SRCC.
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Affiliation(s)
- Limin Zhang
- Department of Gastroenterological Surgery, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin 150081, China
| | - Yan Ma
- Department of Gastroenterological Surgery, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin 150081, China
| | - Bao Liu
- The First Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin 150081, China
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Zheng W, Jiang W, Wu Q, Chen J, Zhang Z, Yu S, Guo C. Comparisons of different lymph node staging systems for predicting overall survival of node-positive patients with renal cell carcinoma: a retrospective cohort study using the Surveillance, Epidemiology and End Results database. BMJ Open 2023; 13:e068044. [PMID: 37185648 PMCID: PMC10151935 DOI: 10.1136/bmjopen-2022-068044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/17/2023] Open
Abstract
OBJECTIVES To compare the prognostic values of three lymph node staging systems in renal cell carcinoma (RCC), including the number of positive lymph nodes (NPLN), lymph node ratio (LNR) and log odds of positive lymph nodes (LODDS). DESIGN A retrospective cohort study using data from the Surveillance, Epidemiology and End Results (SEER) database. SETTING AND PARTICIPANTS 1904 patients with pathological N1 RCC, diagnosed from 2004 to 2015 and underwent nephrectomy combined with lymph node dissection, were identified from the SEER database. PRIMARY OUTCOME MEASURE The primary outcome of this study was overall survival (OS). Restricted cubic spline functions and multivariable Cox regression analyses were employed to characterise the associations of OS with NPLN, LNR and LODDS, respectively. RESULTS Data of 1904 eligible RCC patients were extracted from the SEER database. The mortality risks of RCC patients increased with the increasing of NPLN, LNR and LODDS. NPLN (NPLN3 vs NPLN1, HR 1.22, 95% CI 1.05 to 1.43, p=0.001), LNR (LNR3 vs LNR1, HR 1.46, 95% CI 1.28 to 1.67, p<0.001; LNR2 vs LNR1, HR 1.28, 95% CI 1.09 to 1.50, p=0.002) and LODDS (LODDS3 vs LODDS1, HR 1.48, 95% CI 1.28 to 1.72, p<0.001; LODDS2 vs LODDS1, HR 1.34, 95% CI 1.17 to 1.53, p<0.001) were all independent prognostic factors of OS. The predictive abilities of LNR (Akaike information criterion, AIC: 19576.3, optimism-corrected C-index: 0.677) and LODDS (AIC: 19579.2, optimism-corrected C-index: 0.676) were comparable, superior to NPLN (AIC: 19603.7, optimism-corrected C-index: 0.673). In subgroup analyses, the LODDS classification could better stratify survival of RCC patients, in particular for those with the number of dissected lymph nodes <13 or NPLN≤2. CONCLUSIONS NPLN, LNR and LODDS were all independent predictors of OS in RCC. When compared with NPLN and LNR, LODDS had a better performance in survival prediction and risk stratification. The three metrics all had the potential to be integrated into future versions of the American Joint Committee on Cancer staging manual.
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Affiliation(s)
- Wenwen Zheng
- Department of Pharmacy, Yantai Yuhuangding Hospital Affiliated to Qingdao University, Yantai, Shandong, People's Republic of China
- Department of Education, Yantai Yuhuangding Hospital Affiliated to Qingdao University, Yantai, Shandong, People's Republic of China
| | - Wei Jiang
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, People's Republic of China
- Department of Radiotherapy, Yantai Yuhuangding Hospital Affiliated to Qingdao University, Yantai, Shandong, People's Republic of China
| | - Qingna Wu
- Department of Pharmacy, Yantai Yuhuangding Hospital Affiliated to Qingdao University, Yantai, Shandong, People's Republic of China
| | - Jiaojiao Chen
- Department of Pharmacy, Yantai Yuhuangding Hospital Affiliated to Qingdao University, Yantai, Shandong, People's Republic of China
| | - Zhiyu Zhang
- Department of Urology, Yantai Yuhuangding Hospital Affiliated to Qingdao University, Yantai, Shandong, People's Republic of China
| | - Shengqiang Yu
- Department of Organ Transplantation, Yantai Yuhuangding Hospital Affiliated to Qingdao University, Yantai, Shandong, People's Republic of China
| | - Chenyu Guo
- Department of Pharmacy, Yantai Yuhuangding Hospital Affiliated to Qingdao University, Yantai, Shandong, People's Republic of China
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Li S, Wang Y, Hu X. Prognostic nomogram based on the lymph node metastasis indicators for patients with bladder cancer: A SEER population-based study and external validation. Cancer Med 2023; 12:6853-6866. [PMID: 36479835 PMCID: PMC10067030 DOI: 10.1002/cam4.5475] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 10/23/2022] [Accepted: 11/13/2022] [Indexed: 12/12/2022] Open
Abstract
PURPOSE This study aimed to compare the prognostic value of multiple lymph node metastasis (LNM) indicators and to develop optimal prognostic nomograms for bladder cancer (BC) patients. METHODS BC patients were obtained from the Surveillance, Epidemiology, and End Results (SEER) database between 2004 and 2015, and randomly partitioned into training and internal validation cohorts. Genomic and clinical data were collected from The Cancer Genome Atlas (TCGA) as external validation cohort. The predictive efficiency of LNM indicators was compared by constructing multivariate Cox regression models. We constructed nomograms on basis of the optimal models selected for overall survival (OS) and cause-specific survival (CSS). The performance of nomograms was evaluated with calibration plot, time-dependent area under the curve (AUC) and decision curve analysis (DCA) in three cohorts. We subsequently estimated the difference of biological function and tumor immunity between two risk groups stratified by nomograms in TCGA cohort. RESULTS Totally, 10,093 and 107 BC patients were screened from the SEER and TCGA databases. N classification, positive lymph nodes (PLNs), lymph node ratio (LNR) and log odds of positive lymph nodes (LODDS) were all independent predictors for OS and CSS. The filtered models containing LODDS had minimal Akaike Information Criterion, maximal concordance indexes and AUCs. Age, LODDS, T and M classification were integrated into nomogram for OS, while nomogram for CSS included gender, tumor grade, LODDS, T and M classification. The nomograms were successfully validated in predictive accuracy and clinical utility in three cohorts. Additionally, the tumor microenvironment was different between two risk groups. CONCLUSIONS LODDS demonstrated superior prognostic performance over N classification, PLN and LNR for OS and CSS of BC patients. The nomograms incorporating LODDS provided appropriate prediction of BC, which could contribute to the tumor assessment and clinical decision-making.
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Affiliation(s)
- Shuai Li
- Department of UrologyBeijing Chao‐Yang Hospital, Capital Medical UniversityBeijingChina
- Institute of UrologyCapital Medical UniversityBeijingChina
| | - Yicun Wang
- Department of UrologyBeijing Chao‐Yang Hospital, Capital Medical UniversityBeijingChina
- Institute of UrologyCapital Medical UniversityBeijingChina
| | - Xiaopeng Hu
- Department of UrologyBeijing Chao‐Yang Hospital, Capital Medical UniversityBeijingChina
- Institute of UrologyCapital Medical UniversityBeijingChina
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Liu Y, Cui H, Xu X, Liang W. Prognostic value of lymph node density on cancer staging system for gastric cancer without distal metastasis: a population-based analysis of SEER database. World J Surg Oncol 2022; 20:325. [PMID: 36175896 PMCID: PMC9520926 DOI: 10.1186/s12957-022-02795-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 09/24/2022] [Indexed: 11/21/2022] Open
Abstract
Background Accurate tumor staging is the cornerstone of tumor treatment. Current tumor staging system for gastric cancer (GC) is based on regional positive lymph nodes while ignoring the total number of examined lymph nodes. We aim to assess the prognostic value of lymph node density (LND), the ratio of positive nodes to the total number examined nodes, in GC without distal metastasis. Methods Clinical information of patients with histologically confirmed GC and without distal metastasis was identified from the Surveillance, Epidemiology, and End Results (SEER) database between 2010 and 2015. The X-Tile software was used to identify the ideal prognosis-related cutoff point for LND. The prognostic value of LND on cancer-specific survival (CSS) and overall survival (OS) was assessed in Cox regression models. Subgroup analysis stratified by LND was performed on current lymph node staging system to further explore the interaction between LND and current lymph node staging system. Results A total of 4281 participants were identified from the SEER database for the final analysis. The optimal prognosis-related cutoff values of LND were calculated as 0.1 and 0.4, and LND was divided into three levels: LND1 (< 0.1), LND2 (> = 0.1, < 0.4), and LND3 (> = 0.4). LND3 was associated with worse CSS and OS in GC patients. Compared to patients with LND1, those with LND2 and LND3 had 2.43 (HR = 2.43, 95% CI 2.09–2.84, P < 0.001) and 4.69 (HR = 4.69, 95% CI 4.02–5.48, P < 0.001) folds increase in mortality in CSS, respectively. Similar results were found in the evaluation of OS in GC patients. Subgroup analysis stratified by LND also found that patients in the same current lymph node stage still had different prognosis due to the different LND levels after adjustment for other prognosis-related covariates (all P values < 0.001). Conclusion LND is an independent prognostic factor for GC without distal metastasis. In the current lymph node staging system, LND has potential value in further accurately classifying GC patients without distal metastasis. Supplementary Information The online version contains supplementary material available at 10.1186/s12957-022-02795-9.
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Affiliation(s)
- Yuhua Liu
- Chinese PLA General Hospital & Medical School of Chinese PLA, Beijing, 100853, China.,Institution of Hospital Management, Department of Medical Innovation and Research, Chinese PLA General Hospital, Beijing, 100853, China
| | - Hao Cui
- Chinese PLA General Hospital & Medical School of Chinese PLA, Beijing, 100853, China.,Department of General Surgery & Institute of General Surgery, the First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China
| | - Xinxin Xu
- Chinese PLA General Hospital & Medical School of Chinese PLA, Beijing, 100853, China.,Department of General Surgery & Institute of General Surgery, the First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China
| | - Wenquan Liang
- Chinese PLA General Hospital & Medical School of Chinese PLA, Beijing, 100853, China. .,Department of General Surgery & Institute of General Surgery, the First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China.
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Lai H, Zheng J, Li Y. Comparison of Four Lymph Node Staging Systems in Gastric Adenocarcinoma after Neoadjuvant Therapy – A Population-Based Study. Front Surg 2022; 9:918198. [PMID: 35756471 PMCID: PMC9215688 DOI: 10.3389/fsurg.2022.918198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 05/05/2022] [Indexed: 12/03/2022] Open
Abstract
Introduction Neoadjuvant treatment leads in a reduction in positive lymph nodes and examined lymph nodes (ELN), which may affect assessment of lymph node staging and postoperative treatment. We aimed to compare the staging systems of lymph node ratio (LNR), the positive logarithm ratio of lymph nodes (LODDS), negative lymph nodes (NLN), and the 8th AJCC ypN stage for patients with gastric adenocarcinoma after neoadjuvant therapy. Materials and Methods Data was collected from the Surveillance, Epidemiology, and End Results database and 1,551 patients with gastric adenocarcinoma who underwent neoadjuvant therapy and radical surgery were enrolled. Harrell’s concordance index, the Receiver Operative Curve, the likelihood ratio test, and the Akaike information criterion were used to compare the predictive abilities of the different staging systems. Results Among the 1,551 patients, 689 (44.4%) had ELN < 16 and node-negative patients accounted for 395 (25.5%). When regarded as the categorical variable, LNR had better discrimination power, higher homogeneity, and better model fitness for CSS and OS compared to other stage systems, regardless of the status of ELN. When regarded as the continuos variable, LODDS outperformed others for CSS. Furthermore, the NLN staging system performed superior to others in node-negative patients. Conclusions LNR had a better predictive performance than ypN, LODDS and NLN staging systems regardless of the status of ELN when regarded as the categorical variable, whereas LOODS became the better predictive factor for CSS when regarded as the continuos variable. In node-negative patients, NLN might be a feasible option for evaluating prognosis. A combination of LNR and NLN should be considered as user-friendly method in the clinical prognostic assessment.
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Affiliation(s)
- Hongkun Lai
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
- Department of Gastrointestinal Surgery, Guangdong Provincial People’s Hospital; Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Jiabin Zheng
- Department of Gastrointestinal Surgery, Guangdong Provincial People’s Hospital; Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Yong Li
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
- Department of Gastrointestinal Surgery, Guangdong Provincial People’s Hospital; Guangdong Academy of Medical Sciences, Guangzhou, China
- Correspondence: Yong Li
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Yang Y, Zheng J, Li Y. Comparison of 4 lymph node staging systems for the prognostic prediction of esophagogastric junction adenocarcinoma with ≤15 retrieved lymph nodes. EUROPEAN JOURNAL OF SURGICAL ONCOLOGY 2022; 48:1017-1024. [PMID: 34876328 DOI: 10.1016/j.ejso.2021.11.133] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 11/11/2021] [Accepted: 11/28/2021] [Indexed: 02/05/2023]
Abstract
BACKGROUND Directly applying the 8th American Joint Committee on Cancer (AJCC) Tumor Node Metastasis (TNM) staging system to evaluate the prognosis of patients with esophagogastric junction adenocarcinoma (AEG) might lead to under-staging, when insufficient lymph nodes were retrieved during surgery. The prognostic value of 4 lymph nodes staging systems, 8th AJCC TNM N stage, lymph node ratio (LNR), log odds of positive lymph nodes (LODDS), and negative lymph nodes (NLN), in AEG patients having ≤15 retrieved lymph nodes were compared. METHODS 869 AEG patients diagnosed between 2004 and 2012 with ≤15 retrieved lymph nodes were identified from the Surveillance, Epidemiology, and End Results (SEER) database. Univariate and multivariate Cox regression analyses were conducted to assess the association of cancer-specific survival (CSS) and overall survival (OS) with 8th AJCC TNM N stage, LNR, LODDS, and NLN respectively. Predictive survival ability was assessed and compared using linear trend χ2 score, likelihood ratio (LR) test, Akaike information criterion (AIC), Harrell concordance index (C-index), and Receiver Operative Curve (ROC). RESULTS The N stage, LNR, LODDS, and NLN were all independent prognostic predictors for CSS and OS in multivariate Cox models. Comparatively, LODDS demonstrated higher linear trend χ2 score, LR test score, C-index and integrated area under the curve (iAUC) value, and lower AIC in CSS compared to the other three systems. Moreover, for patients without regional lymph node metastasis, NLN showed higher C-index and lower AIC. CONCLUSIONS LODDS showed better predictive performance than N, LNR, and NLN among patients with node-positive patients while NLN performed better in node-negative patients. A combination of LODDS and NLN has the potential to provide more prognostic information than the current AJCC TNM classification.
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Affiliation(s)
- Yuesheng Yang
- Department of Gastrointestinal Surgery, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, Guangdong Province, PR China; Shantou University Medical College, Shantou, 515041, Guangdong Province, PR China
| | - Jiabin Zheng
- Department of Gastrointestinal Surgery, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, Guangdong Province, PR China
| | - Yong Li
- Department of Gastrointestinal Surgery, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, Guangdong Province, PR China; The Second School of Clinical Medicine, Southern Medical University, Guangzhou, 510515, Guangdong Province, PR China.
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Prassas D, Safi SA, Stylianidi MC, Telan LA, Krieg S, Roderburg C, Esposito I, Luedde T, Knoefel WT, Krieg A. N, LNR or LODDS: Which Is the Most Appropriate Lymph Node Classification Scheme for Patients with Radically Resected Pancreatic Cancer? Cancers (Basel) 2022; 14:cancers14071834. [PMID: 35406606 PMCID: PMC8997819 DOI: 10.3390/cancers14071834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 04/01/2022] [Accepted: 04/02/2022] [Indexed: 11/28/2022] Open
Abstract
Simple Summary To date, no data are available regarding the most appropriate alternative LN classification system with respect to prognostic power and discriminative ability in cases with resectable pancreatic ductal adenocarcinoma (PDAC). We compared different lymph node classification systems with regard to accurate evaluation of overall survival in 319 patients with resected PDAC. One LNR and one LODDS classification scheme were found to out-perform the N category in distinct patient subgroups. Only the LODDS classification exhibited statistically significant, gradually increasing HRs of their subcategories and, at the same time, significantly better discriminative potential in the subgroups of patients with PDAC of the head or corpus and in patients with tumor-free resection margins or M0 status, respectively. Abstract Background: Even though numerous novel lymph node (LN) classification schemes exist, an extensive comparison of their performance in patients with resected pancreatic ductal adenocarcinoma (PDAC) has not yet been performed. Method: We investigated the prognostic performance and discriminative ability of 25 different LN ratio (LNR) and 27 log odds of metastatic LN (LODDS) classifications by means of Cox regression and C-statistic in 319 patients with resected PDAC. Regression models were adjusted for age, sex, T category, grading, localization, presence of metastatic disease, positivity of resection margins, and neoadjuvant therapy. Results: Both LNR or LODDS as continuous variables were associated with advanced tumor stage, distant metastasis, positive resection margins, and PDAC of the head or corpus. Two distinct LN classifications, one LODDS and one LNR, were found to be superior to the N category in the complete patient collective. However, only the LODDS classification exhibited statistically significant, gradually increasing HRs of their subcategories and at the same time significantly higher discriminative potential in the subgroups of patients with PDAC of the head or corpus and in patients with tumor free resection margins or M0 status, respectively. On this basis, we built a clinically helpful nomogram to estimate the prognosis of patients after radically resected PDAC. Conclusion: One LNR and one LODDS classification scheme were found to out-perform the N category in terms of both prognostic performance and discriminative ability, in distinct patient subgroups, with reference to OS in patients with resected PDAC.
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Affiliation(s)
- Dimitrios Prassas
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225 Duesseldorf, Germany; (D.P.); (S.A.S.); (M.C.S.); (L.A.T.)
| | - Sami Alexander Safi
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225 Duesseldorf, Germany; (D.P.); (S.A.S.); (M.C.S.); (L.A.T.)
| | - Maria Chara Stylianidi
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225 Duesseldorf, Germany; (D.P.); (S.A.S.); (M.C.S.); (L.A.T.)
| | - Leila Anne Telan
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225 Duesseldorf, Germany; (D.P.); (S.A.S.); (M.C.S.); (L.A.T.)
| | - Sarah Krieg
- Clinic for Gastroenterology, Hepatology and Infectious Diseases, Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225 Duesseldorf, Germany; (S.K.); (C.R.); (T.L.)
| | - Christoph Roderburg
- Clinic for Gastroenterology, Hepatology and Infectious Diseases, Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225 Duesseldorf, Germany; (S.K.); (C.R.); (T.L.)
| | - Irene Esposito
- Institute of Pathology, Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225 Duesseldorf, Germany;
| | - Tom Luedde
- Clinic for Gastroenterology, Hepatology and Infectious Diseases, Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225 Duesseldorf, Germany; (S.K.); (C.R.); (T.L.)
| | - Wolfram Trudo Knoefel
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225 Duesseldorf, Germany; (D.P.); (S.A.S.); (M.C.S.); (L.A.T.)
- Correspondence: (W.T.K.); (A.K.); Tel.: +49-0211-811-7351 (W.T.K.); +49-0211-811-9251 (A.K.)
| | - Andreas Krieg
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Moorenstr. 5, 40225 Duesseldorf, Germany; (D.P.); (S.A.S.); (M.C.S.); (L.A.T.)
- Correspondence: (W.T.K.); (A.K.); Tel.: +49-0211-811-7351 (W.T.K.); +49-0211-811-9251 (A.K.)
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Liu ZP, Zhang QY, Chen WY, Huang YY, Zhang YQ, Gong Y, Jiang Y, Bai J, Chen ZY, Dai HS. Evaluation of Four Lymph Node Classifications for the Prediction of Survival in Hilar Cholangiocarcinoma. J Gastrointest Surg 2022; 26:1030-1040. [PMID: 34973138 PMCID: PMC9085675 DOI: 10.1007/s11605-021-05211-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/20/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND An important prognostic indicator of hilar cholangiocarcinoma (HCCA) in patients after surgery is metastasis of lymph nodes (LN). However, there are many types of LN staging systems to the issue of a better determination of the prognosis of patients through the lymphatic staging system which needs research. Based on the above, we tried to re-evaluate the staging system of HCCA LNs. We compared the American Joint Committee on Cancer (AJCC), number of metastatic LNs (MLN), ratio of LN (LNR), and log odds of MLNs (LODDS) in individuals undergoing curative resection to determine the best LN staging system. METHODS In the current study, we retrospectively analyzed 229 patients undergoing curative resection. We evaluated the impact of the stage of AJCC pN, LNR, LODDS, and MLN on OS (overall survival) and RFS (recurrence-free survival). According to the curve of receiver operating characteristic (ROC), we compared the predictive capacity of different staging systems of LN for survival and recurrence. RESULTS Multivariate analysis results revealed that LODDS > - 0.45 (95% CI = 1.115-2.709, P = 0.015; 95% CI = 1.187-2.780, P = 0.006) are independent risk factors affecting OS and RFS, respectively. Compared with LN status, AJCC pN stage, MLN, and LNR, the variable having the highest area under the ROC curve (AUC) was LODDS when predicting 1-year, 3-year, and 5-year OS and RFS. CONCLUSION This study shows that metastasis of LNs is a key indicator for predicting patient death and recurrence. Among them, LODDS is the best LN staging system for the prognostic evaluation of HCCA patients after surgery. Clinicians can incorporate LODDS into HCCA patient lymphatic staging system for a more accurate prognosis of HCCA patients post-surgery.
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Affiliation(s)
- Zhi-Peng Liu
- Department of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan Road, Chongqing, 400038, China
| | - Qing-Yi Zhang
- Department of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan Road, Chongqing, 400038, China
| | - Wei-Yue Chen
- Department of Clinical Center of Oncology, Zhejiang University Lishui Hospital, Lishui, 323000, Zhejiang, China
| | - Yu-Yan Huang
- Department of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan Road, Chongqing, 400038, China
| | - Yan-Qi Zhang
- Department of Health Statistics, College of Military Preventive Medicine, Army Medical University, Chongqing, China
| | - Yi Gong
- Department of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan Road, Chongqing, 400038, China
| | - Yan Jiang
- Department of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan Road, Chongqing, 400038, China
| | - Jie Bai
- Department of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan Road, Chongqing, 400038, China
| | - Zhi-Yu Chen
- Department of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan Road, Chongqing, 400038, China.
| | - Hai-Su Dai
- Department of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan Road, Chongqing, 400038, China.
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Prassas D, Kounnamas A, Cupisti K, Schott M, Knoefel WT, Krieg A. Prognostic Performance of Alternative Lymph Node Classification Systems for Patients with Medullary Thyroid Cancer: A Single Center Cohort Study. Ann Surg Oncol 2021; 29:2561-2569. [PMID: 34890024 PMCID: PMC8933356 DOI: 10.1245/s10434-021-11134-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 11/11/2021] [Indexed: 12/31/2022]
Abstract
BACKGROUND Lymph node ratio (LNR) and the log odds of positive lymph nodes (LODDS) have been proposed as alternative lymph node (LN) classification schemes. Various cut-off values have been defined for each system, with the question of the most appropriate for patients with medullary thyroid cancer (MTC) still remaining open. We aimed to retrospectively compare the predictive impact of different LN classification systems and to define the most appropriate set of cut-off values regarding accurate evaluation of overall survival (OS) in patients with MTC. METHODS 182 patients with MTC who were operated on between 1985 and 2018 were extracted from our medical database. Cox proportional hazards regression models and C-statistics were performed to assess the discriminative power of 28 LNR and 28 LODDS classifications and compare them with the N category according to the 8th edition of the AJCC/UICC TNM classification in terms of discriminative power. Regression models were adjusted for age, sex, T category, focality, and genetic predisposition. RESULTS High LNR and LODDS are associated with advanced T categories, distant metastasis, sporadic disease, and male gender. In addition, among 56 alternative LN classifications, only one LNR and one LODDS classification were independently associated with OS, regardless of the presence of metastatic disease. The C-statistic demonstrated comparable results for all classification systems showing no clear superiority over the N category. CONCLUSION Two distinct alternative LN classification systems demonstrated a better prognostic performance in MTC patients than the N category. However, larger scale studies are needed to further verify our findings.
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Affiliation(s)
- Dimitrios Prassas
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Duesseldorf, Germany
| | - Aristodemos Kounnamas
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Duesseldorf, Germany
| | - Kenko Cupisti
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Duesseldorf, Germany.,Department of Surgery, Marien-Hospital Euskirchen, Euskirchen, Germany
| | - Matthias Schott
- Division for Specific Endocrinology, Heinrich-Heine-University and University Hospital Duesseldorf, Duesseldorf, Germany
| | - Wolfram Trudo Knoefel
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Duesseldorf, Germany.
| | - Andreas Krieg
- Department of Surgery (A), Heinrich-Heine-University and University Hospital Duesseldorf, Duesseldorf, Germany.
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10
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Wen J, Chen J, Chen D, Jabbour SK, Xue T, Guo X, Ma H, Ye F, Mao Y, Shu J, Liu Y, Lu X, Zhang Z, Chen Y, Fan M. Comprehensive analysis of prognostic value of lymph node classifications in esophageal squamous cell carcinoma: a large real-world multicenter study. Ther Adv Med Oncol 2021; 13:17588359211054895. [PMID: 34777583 PMCID: PMC8573486 DOI: 10.1177/17588359211054895] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 10/04/2021] [Indexed: 11/17/2022] Open
Abstract
Background: We aim to assess the prognostic ability of three common lymph node–based staging algorithms, namely, the number of positive lymph nodes (pN), the lymph node ratio (LNR), and log odds of positive lymph nodes (LODDS) in patients with esophageal squamous cell carcinoma (ESCC). Methods: A total of 3902 ESCC patients treated at 10 Chinese institutions between 2003 and 2013 were included, along with 2465 patients from the Surveillance, Epidemiology, and End Results (SEER) database. The prognostic ability of the aforementioned algorithms was evaluated using time-dependent receiver operating characteristic (tdROC) curves, R2, Harrell’s concordance index (C-index), and the likelihood ratio chi-square score. The primary outcomes included cancer-specific survival (CSS), overall survival (OS), and CSS with a competing risk of death by non-ESCC causes. Results: LODDS had better prognostic performance than pN or LNR in both continuous and stratified patterns. In the multicenter cohort, the multivariate analysis showed that the model based on LODDS classification was superior to the others in predictive accuracy and discriminatory capacity. Two nomograms integrating LODDS classification and other clinicopathological risk factors associated with OS as well as cancer-specific mortality were constructed and validated in the SEER database. Finally, a novel TNLODDS classification which incorporates the LODDS classification was built and categorized patients in to three new stages. Conclusion: Among the three lymph node–based staging algorithms, LODDS demonstrated the highest discriminative capacity and prognostic accuracy for ESCC patients. The nomograms and novel TNLODDS classification based on LODDS classification could serve as precise evaluation tools to assist clinicians in estimating the survival time of individual patients and improving clinical outcomes postoperatively in the future.
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Affiliation(s)
- Junmiao Wen
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Jiayan Chen
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Donglai Chen
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Salma K Jabbour
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Robert Wood Johnson Medical School, Rutgers University, New Brunswick, NJ, USA
| | - Tao Xue
- Department of Cardiothoracic Surgery, Zhongda Hospital Southeast University, Nanjing, China
| | - Xufeng Guo
- Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Haitao Ma
- Department of Thoracic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Fei Ye
- Department of Thoracic Surgery, Affiliated Hai'an Hospital of Nantong University, Nantong, China
| | - Yiming Mao
- Department of Thoracic Surgery, Suzhou Kowloon Hospital, Shanghai Jiao Tong University School of Medicine, Suzhou, China
| | - Jian Shu
- Department of Cardiothoracic Surgery, The First People's Hospital of Taicang, Taicang, China
| | - Yangyang Liu
- Department of Vascular Surgery, Zhangjiagang First People's Hospital, Suzhou, China
| | - Xueguan Lu
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Zhen Zhang
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Yongbing Chen
- Department of Thoracic Surgery, The Second Affiliated Hospital of Soochow University, No. 1055, Sanxiang Road, Suzhou 215000, China
| | - Min Fan
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, No. 270 Dong-An Road, Shanghai 200032, China
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11
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Zhang Y, Liu D, Zeng D, Chen C. Lymph Node Ratio Is an Independent Prognostic Factor for Patients with Siewert Type II Adenocarcinoma of Esophagogastric Junction: Results from a 10-Year Follow-up Study. J Gastrointest Cancer 2021; 52:983-992. [PMID: 32954465 DOI: 10.1007/s12029-020-00468-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
PURPOSE Emerging evidences suggest that lymph node ratio (LNR), the number of metastatic lymph node (LN) to the total number of dissected lymph nodes (NDLN), may predict survival in multiple types of solid tumor. However, the prognostic role of LNR in adenocarcinoma of the esophagogastric junction (AEG) remains uninvestigated. The present study is intended to determine the prognostic value of LNR in the patients with Siewert type II AEG. METHODS A total of 342 patients with Siewert type II AEG who underwent R0 resection were enrolled in this study. The optimal cutoff of LNR was stratified into tertiles using X-tile software. The log-rank test was used to evaluate the survival differences, and multivariate Cox regression analyses were performed to determine the independent prognostic variables. RESULTS The optimal cutoff of LNR were classified as LNR = 0, LNR between 0.01 and 0.40, and LNR > 0.41. Patients with high LNR had a shorter 5- and 10-year disease-specific survival (DSS) rate (8.5%, 1.4%) compared with those with moderate LNR (20.4%, 4.9%) and low LNR (58.0%, 27.5%) (P < 0.001). Multivariate Cox regression analysis indicated that LNR was an independent factor for DSS after adjusting for confounding variables (P < 0.05). Furthermore, after stratification by NDLN between NDLN < 15 group and NDLN ≥ 15 group, the LNR remained a significant predictor for DSS (P < 0.05). CONCLUSIONS LNR is an independent predictor for DSS in patients with Siewert type II AEG regardless of NDLN. Patients with higher LNR have significantly shorter DSS.
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Affiliation(s)
- Yuling Zhang
- Department of Medical Information, Shantou University Medical College Cancer Hospital, Shantou, China
| | - Ditian Liu
- Department of Thoracic Surgery, Shantou University Medical College Cancer Hospital, Shantou, China
| | - De Zeng
- Department of Medical Oncology, Shantou University Medical College Cancer Hospital, Shantou, China.
- Guangdong Provincial Key Laboratory for Breast Cancer Diagnosis and Treatment, Shantou, China.
| | - Chunfa Chen
- The Breast Centre, Shantou University Medical College Cancer Hospital, Shantou, China.
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Prognostic Discrimination of Alternative Lymph Node Classification Systems for Patients with Radically Resected Non-Metastatic Colorectal Cancer: A Cohort Study from a Single Tertiary Referral Center. Cancers (Basel) 2021; 13:cancers13153898. [PMID: 34359803 PMCID: PMC8345552 DOI: 10.3390/cancers13153898] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 07/27/2021] [Accepted: 07/29/2021] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Lymph node ratio (LNR) and the Log odds of positive lymph nodes (LODDS) have been proposed as a new prognostic indicator in surgical oncology. Various studies have shown a superior discriminating power of LODDS over LNR and lymph node category (N) in diverse cancer entities, when examined as a continuous variable. However, for each of the classification systems various cut-off values have been defined, with the question of the most appropriate for patients with CRC still remaining open. The present study aimed to compare the predictive impact of different lymph node classification systems and to define the best cut-off values regarding accurate evaluation of overall survival in patients with resectable, non-metastatic colorectal cancer (CRC). METHODS CRC patients who underwent surgical resection from 1996 to 2018 were extracted from our medical data base. Cox proportional hazards regression models and C-statistics were performed to assess the discriminative power of 25 LNR and 26 LODDS classifications. Regression models were adjusted for age, sex, extent of the tumor, differentiation, tumor size and localization. RESULTS Our study group consisted of 654 consecutive patients with non-metastatic CRC. C-statistic revealed 2 LNR and 5 LODDS classifications that demonstrated superior prognostic performance in patients with UICC III CRC, compared to the N category. No clear advantage of one classification over another could be demonstrated in any other patient subgroup. CONCLUSIONS Distinct LNR and LODDS classifications demonstrate a prognostic superiority over the N category only in patients with Stage III radically resected CRC.
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Zou W, Zhu C, Wang Z, Tan X, Li C, Zhao Z, Hu M, Liu R. A Novel Nomogram Based on Log Odds of Metastatic Lymph Nodes to Predict Overall Survival in Patients With Perihilar Cholangiocarcinoma After Surgery. Front Oncol 2021; 11:649699. [PMID: 34367951 PMCID: PMC8340771 DOI: 10.3389/fonc.2021.649699] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 07/06/2021] [Indexed: 01/03/2023] Open
Abstract
Background Various lymph node staging strategies were reported to be significantly correlated with perihilar cholangiocarcinoma(pCCA) prognosis. This study aimed to evaluate their predictive abilities and construct an optimal model predicting overall survival (OS). Methods Patients with pCCA were collected as the training cohort from the Surveillance, Epidemiology, and End Results (SEER) database. Four models were constructed, involving four LNs staging strategies. The optimal model for predicting OS was evaluated by calculation of the concordance index (C-index) and Akaike information criterion (AIC), and validated by using the area under curve (AUC) and calibration curves. The clinical benefits of nomogram were evaluated by decision curve analysis (DCA). A Chinese cohort was collected to be an external validation cohort. Results There were 319 patients and 109 patients in the SEER database and Chinese cohort respectively. We developed an optimal model involving age, T stage, tumor size, LODDS, which showed better predictive accuracy than others. The C-index of the nomogram was 0.695, the time-dependent AUC exceeded 0.7 within 36 months which was significantly higher than that of the American Joint Committee on Cancer (AJCC) stage. The calibration curves for survival probability showed the nomogram prediction had good uniformity of the practical survival. The DCA curves exhibited our nomogram with higher clinical utility compared with the AJCC stage and single LOODS. Conclusions LODDS is a strong independent prognostic factor, and the nomogram has a great ability to predict OS, which helps assist clinicians to conduct personalized clinical practice.
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Affiliation(s)
- Wenbo Zou
- Medical School of Chinese People's Liberation Army (PLA), Beijing, China.,Faculty of Hepato-Pancreato-Biliary Surgery, Chinese PLA General Hospital, Beijing, China.,Institute of Hepatobiliary Surgery of Chinese PLA, Key Laboratory of Digital Hepatobiliary Surgery, PLA, Beijing, China
| | - Chunyu Zhu
- Medical School of Chinese People's Liberation Army (PLA), Beijing, China.,Faculty of Hepato-Pancreato-Biliary Surgery, Chinese PLA General Hospital, Beijing, China.,Institute of Hepatobiliary Surgery of Chinese PLA, Key Laboratory of Digital Hepatobiliary Surgery, PLA, Beijing, China
| | - Zizheng Wang
- Faculty of Hepato-Pancreato-Biliary Surgery, Chinese PLA General Hospital, Beijing, China.,Institute of Hepatobiliary Surgery of Chinese PLA, Key Laboratory of Digital Hepatobiliary Surgery, PLA, Beijing, China
| | - Xianglong Tan
- Faculty of Hepato-Pancreato-Biliary Surgery, Chinese PLA General Hospital, Beijing, China.,Institute of Hepatobiliary Surgery of Chinese PLA, Key Laboratory of Digital Hepatobiliary Surgery, PLA, Beijing, China
| | - Chenggang Li
- Faculty of Hepato-Pancreato-Biliary Surgery, Chinese PLA General Hospital, Beijing, China.,Institute of Hepatobiliary Surgery of Chinese PLA, Key Laboratory of Digital Hepatobiliary Surgery, PLA, Beijing, China
| | - Zhiming Zhao
- Faculty of Hepato-Pancreato-Biliary Surgery, Chinese PLA General Hospital, Beijing, China.,Institute of Hepatobiliary Surgery of Chinese PLA, Key Laboratory of Digital Hepatobiliary Surgery, PLA, Beijing, China
| | - Minggen Hu
- Medical School of Chinese People's Liberation Army (PLA), Beijing, China.,Faculty of Hepato-Pancreato-Biliary Surgery, Chinese PLA General Hospital, Beijing, China.,Institute of Hepatobiliary Surgery of Chinese PLA, Key Laboratory of Digital Hepatobiliary Surgery, PLA, Beijing, China
| | - Rong Liu
- Medical School of Chinese People's Liberation Army (PLA), Beijing, China.,Faculty of Hepato-Pancreato-Biliary Surgery, Chinese PLA General Hospital, Beijing, China.,Institute of Hepatobiliary Surgery of Chinese PLA, Key Laboratory of Digital Hepatobiliary Surgery, PLA, Beijing, China
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14
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The Prognostic Value of Log Odds of Positive Lymph Nodes in Early-Stage Esophageal Cancer Patients: A Study Based on the SEER Database and a Chinese Cohort. JOURNAL OF ONCOLOGY 2021; 2021:8834912. [PMID: 33747080 PMCID: PMC7954630 DOI: 10.1155/2021/8834912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 12/19/2020] [Accepted: 02/02/2021] [Indexed: 12/09/2022]
Abstract
Objective Early detection and timely treatment are important for improving the prognosis of esophageal cancer (EC). Identification of the prognostic risk factors could help us to discern the high-risk population. This study was aimed at exploring the prognostic significance of log odds of positive lymph nodes (LODDS) in early-stage EC patients. Methods Patients who underwent esophagectomy and diagnosed as pathologic T1-2 N0 EC were reviewed between January 2005 and December 2015 from the Surveillance, Epidemiology, and End Results (SEER) database (the development cohort, n = 1004). The X-tile software was used to determine the optimal cutoff values of LODDS. A separate Chinese cohort including 245 patients (the validation cohort) was used to externally validate the results of the SEER database. Result Patients were divided into two groups based on the cutoff points of LODDS: <-1.40 (LODDS1) and ≥-1.40 (LODDS2). In the development cohort, the 5-year overall survival (OS) rate was 75.3% for patients in the LODDS1 group, compared with 67.5% for those in the LODDS2 group (P=0.002). In multivariate Cox analysis, LODDS was associated with OS significantly (hazard ratio (HR), 1.48; 95% confidence intervals (CI), 1.19-1.85). In the validation cohort, the 5-year OS rate was 76.6% for patients in the LODDS1 group, compared with 64.4% for those in the LODDS2 group (P=0.006). The HR value in multivariate Cox analysis for OS was 2.00 (95% CI, 1.26-3.18). Conclusion LODDS was an important independent factor for survival in early-stage EC patients.
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15
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Li Z, Wu X, Gao X, Shan F, Ying X, Zhang Y, Ji J. Development and validation of a novel staging system integrating the number and location of lymph nodes for gastric adenocarcinoma. Br J Cancer 2020; 124:942-950. [PMID: 33262519 PMCID: PMC7921685 DOI: 10.1038/s41416-020-01190-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 10/30/2020] [Accepted: 11/05/2020] [Indexed: 12/05/2022] Open
Abstract
Background Evidence suggests that the anatomic extent of metastatic lymph nodes (MLNs) affects prognosis, as proposed by alternative staging systems. The aim of this study was to establish a new staging system based on the number of perigastric (PMLN) and extra-perigastric (EMLN) MLNs. Methods Data from a Chinese cohort of 1090 patients who had undergone curative gastrectomy with D2 or D2 plus lymphadenectomy for gastric cancer were retrospectively analysed. A Japanese validation cohort (n = 826) was included. Based on the Cox proportional hazards model, the regression coefficients of PMLN and EMLN were used to calculate modified MLN (MMLN). Prognostic performance of the staging systems was evaluated. Results PMLN and EMLN were independent prognostic factors in multivariate analysis (coefficients: 0.044, 0.115; all P < 0.001). MMLN was calculated as follows: MMLN = PMLN + 2.6 × EMLN. The MMLN staging system showed superior prognostic performance (C-index: 0.751 in the Chinese cohort; 0.748 in the Japanese cohort) compared with the five published LN staging systems when MMLN numbers were grouped as follows: MMLN0 (0), MMLN1 (1–4), MMLN2 (5–8), MMLN3 (9–20), and MMLN4 (>20). Discussion The MMLN staging system is suitable for assessing overall survival among patients undergoing curative gastrectomy with D2 or D2 plus lymphadenectomy.
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Affiliation(s)
- Ziyu Li
- Gastrointestinal Cancer Center, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, People's Republic of China
| | - Xiaolong Wu
- Gastrointestinal Cancer Center, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, People's Republic of China
| | - Xiangyu Gao
- Gastrointestinal Cancer Center, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, People's Republic of China
| | - Fei Shan
- Gastrointestinal Cancer Center, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, People's Republic of China
| | - Xiangji Ying
- Gastrointestinal Cancer Center, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, People's Republic of China
| | - Yan Zhang
- Gastrointestinal Cancer Center, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, People's Republic of China
| | - Jiafu Ji
- Gastrointestinal Cancer Center, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, People's Republic of China.
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16
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Superiority of log odds of positive lymph nodes (LODDS) for prognostic prediction after gastric cancer surgery: a multi-institutional analysis of 7620 patients in China. Surg Today 2020; 51:101-110. [PMID: 32754844 DOI: 10.1007/s00595-020-02091-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Accepted: 06/15/2020] [Indexed: 12/15/2022]
Abstract
PURPOSE To compare the 8th pN system with ratio-based and Log odds of positive lymph nodes (LODDS) staging systems for predicting the overall survival (OS) of gastric cancer (GC) patients after curative gastric resection. METHODS We analyzed, retrospectively, clinicopathologic and prognostic data from three Chinese medical centers, on 7620 patients who underwent curative surgery for GC. We established a hypothetical tumor-LODDS-metastasis (TLM) and tumor-ratio-metastasis (TRM) staging system. The relative discriminative abilities of the different staging systems were assessed using Akaike's Information Criterion (AIC), a linear trend chi-square test, and a likelihood ratio chi-square test. RESULTS The cut-off points of the LODDS were set as: ≤ - 1.5, - 1.5 to - 1.0, - 1.0 to - 0.5, - 0.5 to 0, and > 0. There were significant differences in the survival of patients in different LODDS classifications for each pN or LNR group. When stratified by the LODDS classification, the prognosis was more homologous according to the pN or lymph-node ratio (LNR) classifications. The modified TLM staging system had better discriminatory ability and better optimistic prognostic stratification than the 8th TNM or the TRM staging systems for predicting the prognosis of patients with GC. CONCLUSIONS The LODDS staging system was superior to other lymph-node classifications for predicting the prognosis of patients undergoing gastrectomy GC. LODDS may be incorporated into a GC staging system if these results are confirmed by other studies.
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Zheng W, Li K, Zhu W, Ding Y, Wu Q, Tang Q, Lu C, Zhao Q, Yu S, Guo C. Nomogram prediction of overall survival based on log odds of positive lymph nodes for patients with penile squamous cell carcinoma. Cancer Med 2020; 9:5425-5435. [PMID: 32519819 PMCID: PMC7402844 DOI: 10.1002/cam4.3232] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 05/27/2020] [Accepted: 05/27/2020] [Indexed: 12/24/2022] Open
Abstract
Purpose This study aimed to establish a nomogram to predict the long‐term overall survival (OS) for patients with penile squamous cell carcinoma (PSCC). Method The PSCC patients receiving regional lymph node dissection (RLND) were enrolled from the Surveillance, Epidemiology, and End Results (SEER) database between 2004 and 2015. The dataset of all eligible patients were used to develop the predictive model. The significant independent predictors were identified through Cox regression modeling based on the Bayesian information criterion and then incorporated into a nomogram to predicted 1‐, 3‐, and 5‐year OS. Internal validation was performed using the bootstrap resampling method. The model performance was evaluated using Harrell's concordance index (C‐index), calibration plots, integrated discrimination improvement (IDI), net reclassification improvement (NRI), and decision curve analysis (DCA). Results Totally, 384 eligible PSCC patients were enrolled from the SEER database. A nomogram for OS prediction was developed, in which three clinical variables significantly associated with OS were integrated, including age, N classification, and log odds of positive lymph nodes (LODDS). The C‐index of the nomogram (0.746, 95% CI: 0.702‐0.790) was significantly higher than that of the American Joint Committee on Cancer (AJCC) staging system (0.692, 95% CI: 0.646‐0.738, P = .020). The bootstrap optimism‐corrected C‐index for the nomogram was 0.739 (95% CI: 0.690‐0.784). The bias‐corrected calibration plots showed the predicted risks were in good accordance with the actual risks. The results of NRI, IDI, and DCA exhibited superior predictive capability and higher clinical use of the nomogram compared with the AJCC staging system. Conclusion We successfully constructed a simple and reliable nomogram for OS prediction among PSCC patients receiving RLND, which would be beneficial to clinical trial design, patient counseling, and therapeutic modality selection.
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Affiliation(s)
- Wenwen Zheng
- Department of Education, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Kangqi Li
- Drug Clinical Trial Agency, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Weiwei Zhu
- Drug Clinical Trial Agency, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Yuexia Ding
- Department of Pharmacy, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Qingna Wu
- Department of Pharmacy, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Qiling Tang
- Department of Pharmacy, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Congxiao Lu
- Drug Clinical Trial Agency, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Quan Zhao
- Department of Pharmacy, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Shengqiang Yu
- Department of Urology, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Chenyu Guo
- Drug Clinical Trial Agency, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
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Choi YH, Lee SH. Editorial on "A new nomogram from the SEER database for predicting the prognosis of gallbladder cancer patients after surgery". ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:522. [PMID: 32411745 PMCID: PMC7214910 DOI: 10.21037/atm.2020.03.182] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Young Hoon Choi
- Division of Gastroenterology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Sang Hyub Lee
- Department of Internal Medicine and Liver Research Institute, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
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Ye G, Chen Z, Wang L, Hu Z, Bian Y, Yang X, Lu T, Zhan C, Lin Z, Wang Q. Log odds of positive lymph nodes predicts survival in patients treated with neoadjuvant therapy followed by esophagectomy. J Surg Oncol 2020; 121:1074-1083. [PMID: 32141098 DOI: 10.1002/jso.25888] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 02/20/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND AND OBJECTIVES We aimed to evaluate the efficacy of the log odds of positive lymph nodes (LODDS) in survival prediction of patients with esophageal carcinoma receiving neoadjuvant therapy, compared with N descriptor and positive lymph node ratio (LNR). METHODS Patients with esophageal carcinoma receiving neoadjuvant therapy from 2004 to 2015 were reviewed in Surveillance, Epidemiology, and End Results database. The receiver operating characteristics curve and area under the curve (AUC) were used to compare discriminatory power among N descriptor, LNR, and LODDS. The goodness of fit was measured using the -2 log-likelihood ratio (-2LLR). RESULTS About 2239 patients with a 22 months median follow-up and a 37.8% 5-year overall survival rate were included. LODDS had the best discriminatory power and goodness of fit (LODDS vs N descriptor, AUC 0.666 vs 0.626, -2LLR 15 680.402 vs 15 746.162; LODDS vs LNR, AUC 0.666 vs 0.635, -2LLR 15 680.402 vs 15 712.379; all P < .001). LODDS was the best for fewer than 15 lymph nodes retrieved (LODDS vs N descriptor, AUC 0.652 vs 0.618, P < .001; LODDS vs LNR, AUC 0.652 vs 0.625, P = .005). The prognosis of patients without metastatic nodes could be discriminated by LODDS. CONCLUSIONS LODDS could better predict survival of patients with esophageal carcinoma receiving neoadjuvant therapy.
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Affiliation(s)
- Guanzhi Ye
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zhencong Chen
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Lin Wang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zhengyang Hu
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yunyi Bian
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xiaodong Yang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Tao Lu
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Cheng Zhan
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zongwu Lin
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Qun Wang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
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20
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Xu Z, Jing J, Ma G. Development and validation of prognostic nomogram based on log odds of positive lymph nodes for patients with gastric signet ring cell carcinoma. Chin J Cancer Res 2020; 32:778-793. [PMID: 33447000 PMCID: PMC7797227 DOI: 10.21147/j.issn.1000-9604.2020.06.11] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Objective Our aims were to establish novel nomogram models, which directly targeted patients with signet ring cell carcinoma (SRC), for individualized prediction of overall survival (OS) rate and cancer-specific survival (CSS). Methods We selected 1,365 SRC patients diagnosed from 2010 to 2015 from Surveillance, Epidemiology and End Results (SEER) database, and then randomly partitioned them into a training cohort and a validation cohort. Independent predicted indicators, which were identified by using univariate testing and multivariate analyses, were used to construct our prognostic nomogram models. Three methods, Harrell concordance index (C-index), receiver operating characteristics (ROC) curve and calibration curve, were used to assess the ability of discrimination and predictive accuracy. Integrated discrimination improvement (IDI), net reclassification improvement (NRI) and decision curve analysis (DCA) were used to assess clinical utility of our nomogram models. Results Six independent predicted indicators, age, race, log odds of positive lymph nodes (LODDS), T stage, M stage and tumor size, were associated with OS rate. Nevertheless, only five independent predicted indicators were associated with CSS except race. The developed nomograms based on those independent predicted factors showed reliable discrimination. C-index of our nomogram for OS and CSS was 0.760 and 0.763, which were higher than American Joint Committee on Cancer (AJCC) 8th edition tumor-node-metastasis (TNM) staging system (0.734 and 0.741, respectively). C-index of validation cohort for OS was 0.757 and for CSS was 0.773. The calibration curves also performed good consistency. IDI, NRI and DCA showed the nomograms for both OS and CSS had a comparable clinical utility than the TNM staging system. Conclusions The novel nomogram models based on LODDS provided satisfying predictive ability of SRC both in OS and CSS than AJCC 8th edition TNM staging system alone.
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Affiliation(s)
- Zijie Xu
- Department of General Surgery, Qingdao Municipal Hospital, Qingdao University, Qingdao 266071, China
| | - Jing Jing
- Department of Endocrinology, Qingdao Municipal Hospital, Qingdao University, Qingdao 266071, China
| | - Guiliang Ma
- Department of General Surgery, Qingdao Municipal Hospital, Qingdao University, Qingdao 266071, China
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21
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Seeruttun SR, Xu L, Wang F, Yi X, Fang C, Liu Z, Wang W, Zhou Z. A homogenized approach to classify advanced gastric cancer patients with limited and adequate number of pathologically examined lymph nodes. Cancer Commun (Lond) 2019; 39:32. [PMID: 31182160 PMCID: PMC6558883 DOI: 10.1186/s40880-019-0370-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Accepted: 04/25/2019] [Indexed: 12/12/2022] Open
Abstract
Background The prognosis of gastric cancer patients with a limited number of pathologically examined lymph nodes (eLN, < 16) is dismal compared to those with adequately eLN (≥ 16), yet they are still classified within the same subgroups using the American Joint Committee on Cancer (AJCC) staging system. We aimed at formulating an easy-to-adopt and clinically reliable stratification approach to homogenize the classification for these two categories of patients. Methods Patients staged according to the 8th AJCC pathological nodal (N) and tumor-node-metastasis (TNM) classification were stratified into a Limited and Adequate eLN cohort based on their number of pathologically examined LNs. The statistical differences between the 5-year overall survival (OS) rates of both cohorts were determined and based on which, patients from the Limited eLN cohort were re-classified to a proposed modified nodal (N′) and TNM (TN′M) classification, by matching their survival rates with those of the Adequate eLN cohort. The prognostic performance of the N′ and TN′M classification was then compared to a formulated lymph-node-ratio-based nodal classification, in addition to the 8th AJCC N and TNM classification. Results Significant heterogeneous differences in 5-year OS between patients from the Limited and Adequate eLN cohort of the same nodal subgroups were identified (all P < 0.001). However, no significant differences in 5-year OS were observed between the subgroups N0, N1, N2, and N3a of the Limited eLN cohort when compared with N1, N2, N3a, and N3b from the Adequate eLN cohort, respectively (P = 0.853, 0.476, 0.114, and 0.230, respectively). A novel approach was formulated in which only patients from the Limited eLN cohort were re-classified to one higher nodal subgroup, denoted as the N′ classification. This re-classification demonstrated superior stratifying and prognostic ability as compared to the 8th AJCC N and lymph-node-ratio classification (Akaike information criterion values [AIC]: 12,276 vs. 12,358 vs. 12,283, respectively). The TN′M classification also demonstrated superior prognostic ability as compared to the 8th AJCC TNM classification (AIC value: 12,252 vs. 12,312). Conclusion The proposed lymph node classification approach provides a clinically practical and reliable technique to homogeneously classify cohorts of gastric cancer patients with limited and adequate number of pathologically examined lymph nodes.
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Affiliation(s)
- Sharvesh Raj Seeruttun
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 651 Dongfeng Road East, Guangzhou, 510060, Guangdong, P. R. China
| | - Lipu Xu
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 651 Dongfeng Road East, Guangzhou, 510060, Guangdong, P. R. China
| | - Fangwei Wang
- Department of Surgical Oncology, Affiliated Lu'an Hospital of Anhui Medical University, Lu'an, 237005, Anhui, P. R. China
| | - Xiaodong Yi
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 651 Dongfeng Road East, Guangzhou, 510060, Guangdong, P. R. China
| | - Cheng Fang
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 651 Dongfeng Road East, Guangzhou, 510060, Guangdong, P. R. China
| | - Zhimin Liu
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 651 Dongfeng Road East, Guangzhou, 510060, Guangdong, P. R. China
| | - Wei Wang
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 651 Dongfeng Road East, Guangzhou, 510060, Guangdong, P. R. China.
| | - Zhiwei Zhou
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 651 Dongfeng Road East, Guangzhou, 510060, Guangdong, P. R. China.
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22
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Agnes A, Biondi A, Cananzi FM, Rausei S, Reddavid R, Laterza V, Galli F, Quagliuolo V, Degiuli M, D'Ugo D, Persiani R. Ratio-based staging systems are better than the 7th and 8th editions of the TNM in stratifying the prognosis of gastric cancer patients: A multicenter retrospective study. J Surg Oncol 2019; 119:948-957. [PMID: 30742308 DOI: 10.1002/jso.25411] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 01/18/2019] [Accepted: 01/30/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND The current and the previous editions of the tumor-node-metastasis (TNM) system for gastric cancer (GC; TNM8 and TNM7) have a high risk of stage-migration bias when the node count after gastrectomy is suboptimal. Hence, they are possibly not the optimal staging systems for GC patients. This study aims to compare the TNM with two systems less affected by the stage-migration bias, namely, the lymph nodes ratio (LNR) and the log odds of positive lymph nodes (LODDS), to assess which one is the best in stratifying the prognosis of GC patients. METHODS The sample study included 1221 GC patients. Two 7-cluster staging systems based on the combination of pT categories and LNR and LODDS categories (TLNR and TLODDS) were compared with the two last editions of TNM, using the Akaike information criteria, the Bayesian information criteria, and the receiver operating characteristic (ROC) curve graphs. Further validation on an independent sample of 251 patients was carried out. RESULTS The univariable and multivariable analyses and the ROC curves detected an advantage of the TLNR and TLODDS systems over the TNM. The TLNR and TLODDS showed the best accuracy both in the subgroup of patients with ≥16 nodes examined. The results were confirmed in the validation analysis. CONCLUSIONS TLNR and TLODDS staging systems should be considered a valid implementation of the TNM for the prognostic stratification of GC patients. If these results are confirmed in further studies, the future implementation of the TNM should consider the introduction of the LNR or the LODDS along with the number of metastatic nodes.
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Affiliation(s)
- Annamaria Agnes
- Dipartimento Scienze Gastroenterologiche, Endocrino-Metaboliche e Nefro-Urologiche, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy.,Department of Surgery, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Alberto Biondi
- Dipartimento Scienze Gastroenterologiche, Endocrino-Metaboliche e Nefro-Urologiche, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy.,Department of Surgery, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Ferdinando M Cananzi
- Department of Surgery, Surgical Oncology Unit, Humanitas Clinical and Research Center, Milan, Italy
| | | | - Rossella Reddavid
- Department of Oncology, Surgical Oncology, and Digestive Surgery, San Luigi University Hospital (S.L.U.H.), University of Turin, Turin, Italy
| | - Vito Laterza
- Department of Surgery, Università Cattolica del Sacro Cuore, Rome, Italy
| | | | - Vittorio Quagliuolo
- Department of Surgery, Surgical Oncology Unit, Humanitas Clinical and Research Center, Milan, Italy
| | - Maurizio Degiuli
- Department of Oncology, Surgical Oncology, and Digestive Surgery, San Luigi University Hospital (S.L.U.H.), University of Turin, Turin, Italy
| | - Domenico D'Ugo
- Dipartimento Scienze Gastroenterologiche, Endocrino-Metaboliche e Nefro-Urologiche, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy.,Department of Surgery, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Roberto Persiani
- Dipartimento Scienze Gastroenterologiche, Endocrino-Metaboliche e Nefro-Urologiche, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy.,Department of Surgery, Università Cattolica del Sacro Cuore, Rome, Italy
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23
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Lin JX, Lin JP, Li P, Xie JW, Wang JB, Lu J, Chen QY, Cao LL, Lin M, Tu RH, Zheng CH, Huang CM. New metastatic lymph node classification for early gastric cancer should differ from those for advanced gastric adenocarcinoma: Results based on the SEER database. World J Clin Cases 2019; 7:145-155. [PMID: 30705892 PMCID: PMC6354097 DOI: 10.12998/wjcc.v7.i2.145] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 11/13/2018] [Accepted: 11/24/2018] [Indexed: 02/05/2023] Open
Abstract
AIM To establish an appropriate N classification system for early gastric cancer (EGC).
METHODS Data from 10714 patients who underwent radical gastrectomy between 1988 and 2011 were retrieved from the National Cancer Institute’s Surveillance, Epidemiology, and End Result database. The overall survival (OS) based on the eighth edition and new tumor lymph node metastasis (TNM) staging systems were compared, and the analysis was repeated in an external validation set from the Fujian Medical University Union Hospital database.
RESULTS There were no significant differences in OS between N1 and N2 cancers or between N3a and N3b cancers in cases of EGC. The X-tile program identified that the new staging system for EGC consisted of T1N0, T1N1’ [1-6 metastatic lymph nodes (LNs)], and T1N2’ ( ≥ 7 metastatic LNs). Compared with the eighth edition of the TNM staging system, the OS of patients in T1N1’ stage was similar to that of patients with stage IIA disease, whereas the OS of patients in T1N2’ stage was similar to that of patients with stage IIB disease. The new TNM staging system exhibited a slightly lower Akaike Information Criterion value and higher χ2 and c-statistic compared with the eighth edition of the TNM classification system. Similar results were found in the external validation dataset from the external validation set.
CONCLUSION We have developed an optional new TNM staging system with a better predictive ability that can be used to accurately predict the 5-year OS of patients with EGC.
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Affiliation(s)
- Jian-Xian Lin
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
- Jia-bin Wang, Chang-Ming Huang, Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou 350108, Fujian Province, China
| | - Jun-Peng Lin
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
| | - Ping Li
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
- Jia-bin Wang, Chang-Ming Huang, Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou 350108, Fujian Province, China
| | - Jian-Wei Xie
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
| | - Jia-Bin Wang
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
| | - Jun Lu
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
| | - Qi-Yue Chen
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
| | - Long-Long Cao
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
| | - Mi Lin
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
| | - Ru-Hong Tu
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
| | - Chao-Hui Zheng
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
| | - Chang-Ming Huang
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
- Department of General Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, Fujian Province, China
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Jin S, Wang B, Zhu Y, Dai W, Xu P, Yang C, Shen Y, Ye D. Log Odds Could Better Predict Survival in Muscle-Invasive Bladder Cancer Patients Compared with pN and Lymph Node Ratio. J Cancer 2019; 10:249-256. [PMID: 30662545 PMCID: PMC6329862 DOI: 10.7150/jca.27399] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 10/03/2018] [Indexed: 01/12/2023] Open
Abstract
Background: The aim of this study was to assess the prognostic value of lymph node-associated variables, pN, lymph node ratio (LNR) and log odds (LODDS), in patients with bladder cancer. Methods: In the discovery cohort, 3358 patients with muscle-invasive bladder cancer (MIBC) and treated with radical cystectomy were identified from the Surveillance, Epidemiology, and End Results (SEER) database. A total of 173 patients with MIBC who underwent radical cystectomy at Shanghai Cancer Center between 2010 and 2013 were enrolled in the validation cohort. LNR and LODDS were calculated in two cohorts and prognostic value was compared between these two variables. Results: In the two cohorts, survival differences between LODDS, LNR and pN (from the 7th AJCC TNM system) cohorts were statistically significant. Univariate and multivariate analyses confirmed that LNR and LODDS were independent prognostic factors and LODDS was better at predicting prognosis than pN and LNR for patients with MIBC. Moreover, LODDS had a better discriminative ability and model fit, proven by the highest Harrell's concordance index and lowest AIC among the three variables. Furthermore, scatter plots of pN, LNR and LODDS revealed that several groups of LNR and pN were heterogeneous and could be better stratified by LODDS in terms of prognosis estimation. Conclusion: LODDS has significant prognostic value for patients with MIBC. Moreover, LODDS is better at predicting prognosis for MIBC patients compared with pN and LNR.
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Affiliation(s)
- Shengming Jin
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai,200032,China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai,200032,China
| | - Beihe Wang
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai,200032,China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai,200032,China
| | - Yiping Zhu
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai,200032,China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai,200032,China
| | - Weixing Dai
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai,200032,China.,Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032, China
| | - Peihang Xu
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai,200032,China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai,200032,China
| | - Chen Yang
- Department of Urology, Huashan Hospital, Fudan University, Shanghai, 200040,China
| | - Yijun Shen
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai,200032,China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai,200032,China
| | - Dingwei Ye
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai,200032,China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai,200032,China
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25
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Deng W, Xu T, Wang Y, Xu Y, Yang P, Gomez D, Liao Z. Log odds of positive lymph nodes may predict survival benefit in patients with node-positive non-small cell lung cancer. Lung Cancer 2018; 122:60-66. [DOI: 10.1016/j.lungcan.2018.05.016] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 05/02/2018] [Accepted: 05/19/2018] [Indexed: 01/10/2023]
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26
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Zhou Z, Xie X, Hao N, Diao D, Song Y, Xia P, Dang C, Zhang H. Different lymph node staging systems for patients with adenocarcinoma of esophagogastric junction. Curr Med Res Opin 2018; 34:963-970. [PMID: 29338535 DOI: 10.1080/03007995.2018.1429390] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVE In addition to the traditional TNM N staging system, lymph node ratio (LNR) and log odds of metastatic lymph nodes (LODDS) staging methods were developed in cancers. This study aimed to examine their relative prognostic performance in patients with adenocarcinoma of the esophagogastric junction (AEG). PATIENTS AND METHODS Patients who underwent surgical resection for AEG were identified from the Surveillance, Epidemiology, and End Results (SEER) Program and the First Affiliated Hospital of Xi'an Jiaotong University as the training and validation sets, respectively. The Akaike's Information Criterion (AIC), Harrell's C statistic, and ROC curves were utilized for comparison. RESULTS A total of 735 patients were involved in the training set. LODDS and LNR staging systems had better prognostic performance than the TNM N staging systems (when considered as a categorical variable: C index = 0.728 and 0.712 vs 0.671; AIC: 6247.537 and 6265.996 vs 6320.045; AUC: 0.762 and 0.719 vs 0.692. For the continuous model: C index = 0.675 and 0.686 vs 0.658; AIC = 6243.740 and 6261.027 vs 6355.077; AUC = 0.778 and 0.733 vs 0.693). In the validation set of 183 patients, the TNM N staging scheme outperformed the LODDS and LNR staging systems (C index = 0.788 vs 0.779 and 0.767; AIC = 1014.702 vs 1026.899 and 1025.288; AUC = 0.806 vs 0.787 and 0.791) when considered a categorical variable. However, when considered a continuous variable, the LODDS and LNR staging systems were better than the TNM N staging system (C index = 0.724 and 0.733 vs 0.747; AIC = 1018.075 and 1025.803 vs 1026.085; AUC = 0.811 and 0.810 vs 0.806). CONCLUSIONS The LNR and LODDS staging schemes could be considered new options for prognostic prediction of AEG with respect to lymph node status, especially when considered as continuous variables.
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Affiliation(s)
- Zhangjian Zhou
- a Division of Surgical Oncology , The First Affiliated Hospital, Xi'an Jiaotong University , Xi'an , Shaanxi , PR China
| | - Xin Xie
- a Division of Surgical Oncology , The First Affiliated Hospital, Xi'an Jiaotong University , Xi'an , Shaanxi , PR China
| | - Nan Hao
- a Division of Surgical Oncology , The First Affiliated Hospital, Xi'an Jiaotong University , Xi'an , Shaanxi , PR China
| | - Dongmei Diao
- a Division of Surgical Oncology , The First Affiliated Hospital, Xi'an Jiaotong University , Xi'an , Shaanxi , PR China
| | - Yongchun Song
- a Division of Surgical Oncology , The First Affiliated Hospital, Xi'an Jiaotong University , Xi'an , Shaanxi , PR China
| | - Peng Xia
- a Division of Surgical Oncology , The First Affiliated Hospital, Xi'an Jiaotong University , Xi'an , Shaanxi , PR China
| | - Chengxue Dang
- a Division of Surgical Oncology , The First Affiliated Hospital, Xi'an Jiaotong University , Xi'an , Shaanxi , PR China
| | - Hao Zhang
- a Division of Surgical Oncology , The First Affiliated Hospital, Xi'an Jiaotong University , Xi'an , Shaanxi , PR China
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27
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Zhao B, Zhang J, Zhang J, Chen X, Chen J, Wang Z, Xu H, Huang B. Anatomical location of metastatic lymph nodes: an indispensable prognostic factor for gastric cancer patients who underwent curative resection. Scand J Gastroenterol 2018; 53:185-192. [PMID: 29228846 DOI: 10.1080/00365521.2017.1415371] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND Although the numeric-based lymph node (LN) staging was widely used in the worldwide, it did not represent the anatomical location of metastatic lymph nodes (MLNs) and not reflect extent of LN dissection. Therefore, in the present study, we investigated whether the anatomical location of MLNs was still necessary to evaluate the prognosis of node-positive gastric cancer (GC) patients. METHODS We reviewed 1451 GC patients who underwent radical gastrectomy in our institution between January 1986 and January 2008. All patients were reclassified into several groups according to the anatomical location of MLNs and the number of MLNs. The prognostic differences between different patient groups were compared and clinicopathologic features were analyzed. RESULTS In the present study, both anatomical location of MLNs and the number of MLNs were identified as the independent prognostic factors (p < .01). The patients with extraperigastric LN involvement showed a poorer prognosis compared with the perigastric-only group (p < .001). For the N1-N2 stage patients, the prognostic discrepancy was still observed among them when the anatomical location of MLNs was considered (p < .05). For the N3-stage patients, although the anatomical location of MLNs had no significant effect on the prognosis of these patients, the higher number of MLNs in the extraperigastric area was correlated with the unfavorable prognosis (p < .05). CONCLUSION The anatomical location of MLNs was an important factor influencing the prognostic outcome of GC patients. To provide more accurate prognostic information for GC patients, the anatomical location of MLNs should not be ignored.
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Affiliation(s)
- Bochao Zhao
- a Department of Surgical Oncology , First Affiliated Hospital of China Medical University , Shenyang , P.R. China
| | - Jingting Zhang
- a Department of Surgical Oncology , First Affiliated Hospital of China Medical University , Shenyang , P.R. China
| | - Jiale Zhang
- a Department of Surgical Oncology , First Affiliated Hospital of China Medical University , Shenyang , P.R. China
| | - Xiuxiu Chen
- a Department of Surgical Oncology , First Affiliated Hospital of China Medical University , Shenyang , P.R. China
| | - Junqing Chen
- a Department of Surgical Oncology , First Affiliated Hospital of China Medical University , Shenyang , P.R. China
| | - Zhenning Wang
- a Department of Surgical Oncology , First Affiliated Hospital of China Medical University , Shenyang , P.R. China
| | - Huimian Xu
- a Department of Surgical Oncology , First Affiliated Hospital of China Medical University , Shenyang , P.R. China
| | - Baojun Huang
- a Department of Surgical Oncology , First Affiliated Hospital of China Medical University , Shenyang , P.R. China
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Kılıç MÖ, Gündoğdu SB, Özden S, Saylam B, Tez M. The prognostic value of different node staging systems in patients with ≤15 lymph nodes following surgery for gastric adenocarcinoma. Acta Chir Belg 2018; 118:1-6. [PMID: 28669280 DOI: 10.1080/00015458.2017.1346036] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
AIM Lymph node (LN) status is an important prognostic indicator in patients with gastric cancer (GC). Although American Joint Committee on Cancer/International Union against Cancer (AJCC/UICC) is the most widely used staging system, there is a challenge in predicting survival of patients when the number of total harvested LNs is ≤15. Our aim was to investigate the prognostic performances of seventh edition AJCC/UICC, lymph-node ratio (LNR), and log odds of metastatic lymph nodes (LODDS) on the overall survival (OS) of GC patients with ≤15 examined LNs after gastric resection. MATERIAL AND METHOD A total of 74 patients who underwent curative resection for gastric adenocarcinoma and had ≤15 LNs at the final histopathological examination were included in the study. The prognostic ability of three node staging models to predict OS was assessed using the area under the curve (AUC). RESULTS Of the 74 patients, 15 (20.3%) had no LN metastasis whereas 59 (79.7%) had nodal involvement. The median OS was 26 months. When assessed as a continuous variable, LNR was the strongest staging system to stratify GC patients on the basis of LN status. LODDS had superiority on other node staging models when the number of LNs retrieved was modeled as categorical variable. CONCLUSIONS LNR (continuous) and LODDS (categorical) were the strongest indicators of OS in GC when the number of LN harvested was ≤15. Therefore, they may be considered as an alternative nodal staging systems for GC.
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Affiliation(s)
- Murat Özgür Kılıç
- Department of General Surgery, Numune Training and Research Hospital, Ankara, Turkey
| | - Salih Burak Gündoğdu
- Department of General Surgery, Numune Training and Research Hospital, Ankara, Turkey
| | - Sabri Özden
- Department of General Surgery, Numune Training and Research Hospital, Ankara, Turkey
| | - Barış Saylam
- Department of General Surgery, Numune Training and Research Hospital, Ankara, Turkey
| | - Mesut Tez
- Department of General Surgery, Numune Training and Research Hospital, Ankara, Turkey
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Berretta R, Capozzi VA, Sozzi G, Volpi L, Ceni V, Melpignano M, Giordano G, Marchesi F, Monica M, Di Serio M, Riccò M, Ceccaroni M. Prognostic role of mesenteric lymph nodes involvement in patients undergoing posterior pelvic exenteration during radical or supra-radical surgery for advanced ovarian cancer. Arch Gynecol Obstet 2018; 297:997-1004. [PMID: 29380107 DOI: 10.1007/s00404-018-4675-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Accepted: 01/15/2018] [Indexed: 01/31/2023]
Abstract
PURPOSE The aim of this retrospective study is to analyze the prognostic role and the practical implication of mesenteric lymph nodes (MLN) involvements in advanced ovarian cancer (AOC). METHODS A total of 429 patients with AOC underwent surgery between December 2007 and May 2017. We included in the study 83 patients who had primary (PDS) or interval debulking surgery (IDS) for AOC with bowel resection. Numbers, characteristics and surgical implication of MLN involvement were considered. RESULTS Eighty-three patients were submitted to bowel resection during cytoreduction for AOC. Sixty-seven patients (80.7%) underwent primary debulking surgery (PDS). Sixteen patients (19.3%) experienced interval debulking surgery (IDS). 43 cases (51.8%) showed MLN involvement. A statistic correlation between positive MLN and pelvic lymph nodes (PLN) (p = 0.084), aortic lymph nodes (ALN) (p = 0.008) and bowel infiltration deeper than serosa (p = 0.043) was found. A longer overall survival (OS) and disease-free survival was observed in case of negative MLN in the first 20 months of follow-up. No statistical differences between positive and negative MLN in terms of operative complication, morbidity, Ca-125, type of surgery (radical vs supra-radical), length and site of bowel resection, residual disease and site of recurrence were observed. CONCLUSIONS An important correlation between positive MLN, ALN and PLN was detected; these results suggest a lymphatic spread of epithelial AOC similar to that of primary bowel cancer. The absence of residual disease after surgery is an independent prognostic factor; to achieve this result should be recommended a radical bowel resection during debulking surgery for AOC with bowel involvement.
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Affiliation(s)
- Roberto Berretta
- Department of Obstetrics and Gynecology of Parma, University of Parma, Via Gramsci No. 14, 43125, Parma, Italy
| | - Vito Andrea Capozzi
- Department of Obstetrics and Gynecology of Parma, University of Parma, Via Gramsci No. 14, 43125, Parma, Italy.
| | - Giulio Sozzi
- Department of Obstetrics and Gynecology of Parma, University of Parma, Via Gramsci No. 14, 43125, Parma, Italy
| | - Lavinia Volpi
- Department of Obstetrics and Gynecology of Parma, University of Parma, Via Gramsci No. 14, 43125, Parma, Italy
| | - Valentina Ceni
- Department of Obstetrics and Gynecology of Parma, University of Parma, Via Gramsci No. 14, 43125, Parma, Italy
| | - Mauro Melpignano
- The Department of Obstetrics and Gynecology of Oglio Po, Cremona, Italy
| | - Giovanna Giordano
- Department of Obstetrics and Gynecology of Parma, University of Parma, Via Gramsci No. 14, 43125, Parma, Italy
| | - Federico Marchesi
- Department of Obstetrics and Gynecology of Parma, University of Parma, Via Gramsci No. 14, 43125, Parma, Italy
| | - Michela Monica
- Department of Obstetrics and Gynecology of Parma, University of Parma, Via Gramsci No. 14, 43125, Parma, Italy
| | - Maurizio Di Serio
- Department of Obstetrics and Gynecology of Parma, University of Parma, Via Gramsci No. 14, 43125, Parma, Italy
| | - Matteo Riccò
- Local Health Unit of Reggio Emilia, Department of Public Health, Reggio Emilia, Italy
| | - Marcello Ceccaroni
- Department of Obstetrics and Gynecology, Sacred Heart Hospital of Negrar, Verona, Italy
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Zhou YX, Yang LP, Wang ZX, He MM, Yun JP, Zhang DS, Wang F, Xu RH. Lymph node staging systems in patients with gastric cancer treated with D2 resection plus adjuvant chemotherapy. J Cancer 2018; 9:660-666. [PMID: 29556323 PMCID: PMC5858487 DOI: 10.7150/jca.22016] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Accepted: 12/05/2017] [Indexed: 12/13/2022] Open
Abstract
Background: The optimal nodal staging scheme for gastric cancer remains unsettled. We compared the prognostic performances of the metastatic lymph node, lymph node ratio, and log odds of metastatic lymph nodes based on nomograms among 801 patients with D2-resected gastric cancer treated with adjuvant chemotherapy. Methods: When assessed as a continuous covariate, each nodal staging variable was incorporated into a prognostic nomogram with other significant prognosticators to predict the 5-year overall survival. The discriminatory abilities of the nomograms were compared using the concordance index. Patients were divided into subgroups using each nomogram, and the prognostic homogeneity of the nomograms was assessed using the Kaplan-Meier method with log-rank tests. Results: The discriminatory abilities of the three nomograms were comparable (P > 0.05 for all pairwise comparisons). However, for patients within each lymph node ratio subgroup, overall survival was homogenous when stratified by subgroups of the other two staging schemes, while it differed significantly among the different lymph node ratio subgroups for patients within some of the other two staging subgroups. Conclusion: The lymph node ratio-based staging scheme performs the best for the prediction of survival in patients with locally advanced gastric cancer treated with D2 resection followed by adjuvant chemotherapy.
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Affiliation(s)
- Yi-Xin Zhou
- Department of VIP Region, Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Lu-Ping Yang
- Department of Medical Oncology, Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Zi-Xian Wang
- Department of Medical Oncology, Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Ming-Ming He
- Department of Medical Oncology, Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Jing-Ping Yun
- Department of Pathology, Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Dong-Sheng Zhang
- Department of Medical Oncology, Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Feng Wang
- Department of Medical Oncology, Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Rui-Hua Xu
- Department of Medical Oncology, Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
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31
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Xu J, Cao J, Wang L, Wang Z, Wang Y, Wu Y, Lv W, Hu J. Prognostic performance of three lymph node staging schemes for patients with Siewert type II adenocarcinoma of esophagogastric junction. Sci Rep 2017; 7:10123. [PMID: 28860457 PMCID: PMC5579029 DOI: 10.1038/s41598-017-09625-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Accepted: 07/27/2017] [Indexed: 01/10/2023] Open
Abstract
The prognostic performance of different lymph node staging schemes for adenocarcinoma of esophagogastric junction (AEG) remains controversial. The objective of the present study was to compare the prognostic efficacy of the number of lymph node metastases (LNMs), the positive lymph node ratio (LNR) and the log odds of positive lymph nodes (LODDS). Patients diagnosed with Siewert type II AEG were included from the Surveillance, Epidemiology, and End Results database. Harrell's C-index statistic, Schemper's proportion of explained variation (PEV), the Akaike information criterion (AIC) and restricted cubic spine analyses were adopted to assess the predictive accuracy of LNM, LNR and LODDS. A total of 1302 patients with post-surgery Siewert type II AEG were included. LNM, LNR and LODDS all showed significant prognostic value in the multivariate Cox regression analyses. LODDS performed higher predictive accuracy than LNM and LNR, with relatively higher C-index, higher Schemper's PEV value and lower AIC value. For patients with no nodes involved, LODDS still performed significantly discriminatory utility. LODDS showed more accurate prognostic performance than LNM and LNR for post-surgery Siewert type II AEG, and it could help to detect survival heterogeneity for patients with no positive lymph nodes involved.
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Affiliation(s)
- Jinming Xu
- Department of Thoracic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Jinlin Cao
- Department of Thoracic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Luming Wang
- Department of Thoracic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Zhitian Wang
- Department of Thoracic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Yiqing Wang
- Department of Thoracic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Yihua Wu
- Department of Toxicology, Zhejiang University School of Public Health, Hangzhou, 310058, China
| | - Wang Lv
- Department of Thoracic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Jian Hu
- Department of Thoracic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China.
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Wang ZX, Qiu MZ, Jiang YM, Zhou ZW, Li GX, Xu RH. Comparison of prognostic nomograms based on different nodal staging systems in patients with resected gastric cancer. J Cancer 2017; 8:950-958. [PMID: 28529606 PMCID: PMC5436246 DOI: 10.7150/jca.17370] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2016] [Accepted: 12/11/2016] [Indexed: 12/15/2022] Open
Abstract
Purpose: Previous studies addressing the optimal nodal staging system in patients with resected gastric cancer have shown inconsistent results, and the optimal system for development of prognostic nomograms remains unclear. In this study, we compared prognostic nomograms based on the metastatic lymph node (MLN) count, lymph node ratio (LNR), and log odds of metastatic lymph nodes (LODDS) to predict the 5-year overall survival in patients with resected gastric cancer. Methods: We analysed 15,320 patients with resected gastric cancer in the Surveillance, Epidemiology, and End Results (SEER) database between 1988 and 2010. Missing data were handled using multiple imputation. When assessed as a continuous covariate with restricted cubic splines, each MLN, LNR, and LODDS variable was incorporated into a nomogram with other significant prognosticators to predict the 5-year overall survival. A two-centre Chinese dataset (1,595 cases) was used as external validation data. Results: The discriminatory abilities of the MLN-, LNR-, and LODDS-based nomograms were comparable (concordance indices: 0.744, 0.741, and 0.744, respectively, in the SEER set, P > 0.152 for all pairwise comparisons; 0.715, 0.712, and 0.713, respectively, in the Chinese set, P > 0.445 for all pairwise comparisons). The discriminatory abilities of the three nomograms were all superior to the American Joint Committee on Cancer (AJCC) TNM classification (concordance indices: 0.713, P < 0.001 for all in the SEER set; and 0.693, P < 0.001 for all in the Chinese set). The discriminatory abilities of the nomograms were comparable regardless of the number of nodes examined. Moreover, decision curve analyses indicated similar net benefits of using the nomograms. Conclusion: MLN-, LNR-, and LODDS should be considered equally in the development of multivariate prognostic models and nomograms to refine the prediction of survival among patients with resected gastric cancer.
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Affiliation(s)
- Zi-Xian Wang
- Department of Medical Oncology, Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, 651 Dong Feng Road East, Guangzhou, 510060, China
| | - Miao-Zhen Qiu
- Department of Medical Oncology, Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, 651 Dong Feng Road East, Guangzhou, 510060, China.,Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Yu-Ming Jiang
- Department of General Surgery, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou, 510515, China
| | - Zhi-Wei Zhou
- Department of Gastric and Pancreatic Surgery, Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, 651 Dong Feng Road East, Guangzhou, 510060, China
| | - Guo-Xin Li
- Department of General Surgery, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou, 510515, China
| | - Rui-Hua Xu
- Department of Medical Oncology, Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, 651 Dong Feng Road East, Guangzhou, 510060, China
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Tez M, Altundag K. Log odds of metastatic lymph nodes (LODDS) or negative to positive lymph node ratio? Surgery 2017; 162:461. [PMID: 28279482 DOI: 10.1016/j.surg.2017.01.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Accepted: 01/31/2017] [Indexed: 02/07/2023]
Affiliation(s)
- Mesut Tez
- Department of General Surgery, Numune Training and Research Hospital, Ankara, Turkey.
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De Marco C, Biondi A, Ricci R. N staging: the role of the pathologist. Transl Gastroenterol Hepatol 2017; 2:10. [PMID: 28275742 DOI: 10.21037/tgh.2017.01.02] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Accepted: 12/19/2016] [Indexed: 12/13/2022] Open
Abstract
Gastric cancer is the second cause of cancer-related mortality worldwide. Metastases, including lymph nodes ones, heavily influence the prognosis of this disease. The pathological detection of positive lymph nodes is pivotal for an optimal prognostication and clinical management of affected individuals. Several factors influence the pathological investigation of surgical specimens, ultimately affecting the number of retrieved lymph nodes and, with it, the reliability of N staging. The pathologist plays a central role in optimizing this process. Factors influencing lymph node retrieval and analysis will be herein reviewed, together with the procedures adopted for an optimal pathological analysis of lymph nodes in gastric cancer.
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Affiliation(s)
| | | | - Riccardo Ricci
- Department of Pathology, Catholic University, Rome, Italy
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35
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Galli F, Ruspi L, Marzorati A, Lavazza M, Di Rocco G, Boni L, Dionigi G, Rausei S. N staging system: tumor-node-metastasis and future perspectives. Transl Gastroenterol Hepatol 2017; 2:4. [PMID: 28217754 DOI: 10.21037/tgh.2017.01.03] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Accepted: 01/05/2017] [Indexed: 12/28/2022] Open
Abstract
The correct staging of disease, with an exact definition of the extent of cancer at the diagnosis, is crucial in the planning of a specific treatment and in the assessment of real chances of cure. Cancer staging systems are expected to be accurate in the description of the severity of a patient's tumor on the basis of the extent of the primary neoplasm and of its spread, thus giving clinician tools to estimate prognosis and providing objective parameters to compare groups of patients in clinical studies. This last point is of wide importance in evaluating successful treatment strategies in oncology, and this is one of the issues that contributed to the development of stage-adapted therapies.
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Affiliation(s)
- Federica Galli
- Division of General Surgery, Department of Surgical Sciences, University of Insubria, Varese, Italy
| | - Laura Ruspi
- Division of General Surgery, Department of Surgical Sciences, University of Insubria, Varese, Italy
| | - Alessandro Marzorati
- Division of General Surgery, Department of Surgical Sciences, University of Insubria, Varese, Italy
| | - Matteo Lavazza
- Division of General Surgery, Department of Surgical Sciences, University of Insubria, Varese, Italy
| | - Giuseppe Di Rocco
- Division of General Surgery, Department of Surgical Sciences, University of Insubria, Varese, Italy
| | - Luigi Boni
- Division of General Surgery, Department of Surgical Sciences, University of Insubria, Varese, Italy
| | - Gianlorenzo Dionigi
- Division of General Surgery, Department of Surgical Sciences, University of Insubria, Varese, Italy
| | - Stefano Rausei
- Division of General Surgery, Department of Surgical Sciences, University of Insubria, Varese, Italy
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36
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Conci S, Ruzzenente A, Sandri M, Bertuzzo F, Campagnaro T, Bagante F, Capelli P, D'Onofrio M, Piccino M, Dorna AE, Pedrazzani C, Iacono C, Guglielmi A. What is the most accurate lymph node staging method for perihilar cholangiocarcinoma? Comparison of UICC/AJCC pN stage, number of metastatic lymph nodes, lymph node ratio, and log odds of metastatic lymph nodes. Eur J Surg Oncol 2017; 43:743-750. [PMID: 28094085 DOI: 10.1016/j.ejso.2016.12.007] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 10/20/2016] [Accepted: 12/15/2016] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND We compared the prognostic performance of the International Union Against Cancer/American Joint Committee on Cancer (UICC/AJCC) 7th edition pN stage, number of metastatic LNs (MLNs), LN ratio (LNR), and log odds of MLNs (LODDS) in patients with perihilar cholangiocarcinoma (PCC) undergoing curative surgery in order to identify the best LN staging method. METHODS Ninety-nine patients who underwent surgery with curative intent for PCC in a single tertiary hepatobiliary referral center were included in the study. Two approaches were used to evaluate and compare the predictive power of the different LN staging methods: one based on the estimation of variable importance with prediction error rate and the other based on the calculation of the receiver operating characteristic (ROC) curve. RESULTS LN dissection was performed in 92 (92.9%) patients; 49 were UICC/AJCC pN0 (49.5%), 33 pN1 (33.3%), and 10 pN2 (10.1%). The median number of LNs retrieved was 8. The prediction error rate ranged from 42.7% for LODDS to 47.1% for UICC/AJCC pN stage. Moreover, LODDS was the variable with the highest area under the ROC curve (AUC) for prediction of 3-year survival (AUC = 0.71), followed by LNR (AUC = 0.60), number of MLNs (AUC = 0.59), and UICC/AJCC pN stage (AUC = 0.54). CONCLUSIONS The number of MLNs, LNR, and LODDS appear to better predict survival than the UICC/AJCC pN stage in patients undergoing curative surgery for PCC. Moreover, LODDS seems to be the most accurate and predictive LN staging method.
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Affiliation(s)
- S Conci
- Department of Surgery, Division of General and Hepatobiliary Surgery, G.B. Rossi University Hospital, University of Verona, Verona, Italy
| | - A Ruzzenente
- Department of Surgery, Division of General and Hepatobiliary Surgery, G.B. Rossi University Hospital, University of Verona, Verona, Italy
| | - M Sandri
- Department of Economics and Management, Data Methods and System Statistical Laboratory, University of Brescia, Brescia, Italy
| | - F Bertuzzo
- Department of Surgery, Division of General and Hepatobiliary Surgery, G.B. Rossi University Hospital, University of Verona, Verona, Italy
| | - T Campagnaro
- Department of Surgery, Division of General and Hepatobiliary Surgery, G.B. Rossi University Hospital, University of Verona, Verona, Italy
| | - F Bagante
- Department of Surgery, Division of General and Hepatobiliary Surgery, G.B. Rossi University Hospital, University of Verona, Verona, Italy
| | - P Capelli
- Department of Pathology and Diagnostics, G.B. Rossi University Hospital, University of Verona, Verona, Italy
| | - M D'Onofrio
- Department of Radiology, G.B. Rossi University Hospital, University of Verona, Verona, Italy
| | - M Piccino
- Department of Surgery, Division of General and Hepatobiliary Surgery, G.B. Rossi University Hospital, University of Verona, Verona, Italy
| | - A E Dorna
- Department of Surgery, Division of General and Hepatobiliary Surgery, G.B. Rossi University Hospital, University of Verona, Verona, Italy
| | - C Pedrazzani
- Department of Surgery, Division of General and Hepatobiliary Surgery, G.B. Rossi University Hospital, University of Verona, Verona, Italy
| | - C Iacono
- Department of Surgery, Division of General and Hepatobiliary Surgery, G.B. Rossi University Hospital, University of Verona, Verona, Italy.
| | - A Guglielmi
- Department of Surgery, Division of General and Hepatobiliary Surgery, G.B. Rossi University Hospital, University of Verona, Verona, Italy
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Tóth D, Bíró A, Varga Z, Török M, Árkosy P. Comparison of different lymph node staging systems in prognosis of gastric cancer: a bi-institutional study from Hungary. Chin J Cancer Res 2017; 29:323-332. [PMID: 28947864 PMCID: PMC5592820 DOI: 10.21147/j.issn.1000-9604.2017.04.05] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Objective The Union for International Cancer Control (UICC) Node (N) classification is the most common used staging method for the prognosis of gastric cancer. It demands adequate, at least 16 lymph nodes (LNs) to be dissected; therefore different staging systems were invented. Methods Between March 2005 and March 2010, 164 patients were evaluated at the Department of General Surgery in the Kenézy Gyula Hospital and at the Department of General, Thoracic and Vascular Surgery in the Kaposi Mór Hospital. The 6th, 7th and 8th UICC N-staging systems, the number of examined LNs, the number of harvested negative LNs, the metastatic lymph node ratio (MLR) and the log odds of positive LNs (LODDS) were determined to measure their 5-year survival rates and to compare them to each other. Results The overall 5-year survival rate for all patients was 55.5% with a median overall survival time of 102 months. The tumor stage, gender, UICC N-stages, MLR and the LODDS were significant prognostic factors for the 5-year survival with univariate analysis. The 6th UICC N-stage did not follow the adequate risk in comparing N2 vs. N0 and N3 vs. N0 with multivariate investigation. Comparison of performances of the residual N classifications proved that the LODDS system was first in the prediction of prognosis during the evaluation of all patients and in cases with less than 16 harvested LNs. The MLR gave the best prognostic prediction when adequate (more than or equal to 16) lymphadenectomy was performed.
Conclusions We suggest the application of LODDS system routinely in western patients and the usage of MLR classification in cases with extended lymphadenectomy.
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Affiliation(s)
- Dezső Tóth
- Department of General Surgery, Kenézy Gyula Teaching Hospital, Debrecen 4031, Hungary
| | - Adrienn Bíró
- Department of General Surgery, Kenézy Gyula Teaching Hospital, Debrecen 4031, Hungary
| | - Zsolt Varga
- Department of General Surgery, Kenézy Gyula Teaching Hospital, Debrecen 4031, Hungary
| | - Miklós Török
- Department of General Surgery, Kenézy Gyula Teaching Hospital, Debrecen 4031, Hungary
| | - Péter Árkosy
- Department of General Surgery, Kenézy Gyula Teaching Hospital, Debrecen 4031, Hungary
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Rausei S, Ruspi L, Galli F, Pappalardo V, Di Rocco G, Martignoni F, Frattini F, Rovera F, Boni L, Dionigi G. Seventh tumor-node-metastasis staging of gastric cancer: Five-year follow-up. World J Gastroenterol 2016; 22:7748-7753. [PMID: 27678357 PMCID: PMC5016374 DOI: 10.3748/wjg.v22.i34.7748] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 06/10/2016] [Accepted: 07/21/2016] [Indexed: 02/06/2023] Open
Abstract
Seventh tumor-node-metastasis (TNM) classification for gastric cancer, published in 2010, introduced changes in all of its three parameters with the aim to increase its accuracy in prognostication. The aim of this review is to analyze the efficacy of these changes and their implication in clinical practice. We reviewed relevant Literature concerning staging systems in gastric cancer from 2010 up to March 2016. Adenocarcinoma of the esophago-gastric junction still remains a debated entity, due to its peculiar anatomical and histological situation: further improvement in its staging are required. Concerning distant metastases, positive peritoneal cytology has been adopted as a criterion to define metastatic disease: however, its search in clinical practice is still far from being routinely performed, as staging laparoscopy has not yet reached wide diffusion. Regarding definition of T and N: in the era of multimodal treatment these parameters should more influence both staging and surgery. The changes about T-staging suggested some modifications in clinical practice. Differently, many controversies on lymph node staging are still ongoing, with the proposal of alternative classification systems in order to minimize the extent of lymphadenectomy. The next TNM classification should take into account all of these aspects to improve its accuracy and the comparability of prognosis in patients from both Eastern and Western world.
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Lu J, Wang W, Zheng CH, Fang C, Li P, Xie JW, Wang JB, Lin JX, Chen QY, Cao LL, Lin M, Huang CM, Zhou ZW. Influence of Total Lymph Node Count on Staging and Survival After Gastrectomy for Gastric Cancer: An Analysis From a Two-Institution Database in China. Ann Surg Oncol 2016; 24:486-493. [PMID: 27619942 DOI: 10.1245/s10434-016-5494-7] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Indexed: 12/13/2022]
Abstract
BACKGROUND Although current guidelines suggest that 16 or more lymph nodes (LNs) are required for the appropriate staging of gastric cancer, the effect that the minimum number of examined LNs (eLNs) in the different types of gastrectomy has on survival remains unclear. METHODS This study retrospectively analyzed 2662 patients who underwent curative gastrectomy with D2 lymphadenectomy for gastric cancer at Fujian Medical University Union Hospital from January 2000 to December 2010 and randomly divided them into development (70 %, n = 1863) and validation (30 %, n = 799) data sets. An additional external validation was performed using the data set (n = 285) collected during the same period from the Sun Yat-sen University Cancer Center in Guangzhou, China. A hypothetical tumor-node-metastasis (TNM) classification (hTNM) was proposed based on eLNs and survival. RESULTS The mean numbers of nodes removed during radical distal and total gastrectomy were respectively 26 ± 9.6 and 29 ± 10.7 (p < 0.01). The optimal LN-count thresholds were determined to be 16 for patients who underwent curative distal gastrectomy and 21 for patients who underwent total gastrectomy. The hTNM staging system had higher linear trend and likelihood ratio χ 2 scores and lower Akaike information criterion (AIC) values than the seventh American Joint Committee on Cancer (AJCC) TNM classification. Thus, the hTNM staging system exhibited superior prognostic stratification. Similar results were found in the two validation data sets. CONCLUSION A harvest of at least 21 LNs may represent a superior threshold for radical total gastrectomy (RTG) and could yield a better prognosis. For patients undergoing RTG, the hTNM staging system may predict survival more accurately and discriminatively. However, a validation from a Western institution is warranted.
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Affiliation(s)
- Jun Lu
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Wei Wang
- Department of Gastric and Pancreatic Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Chao-Hui Zheng
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Cheng Fang
- Department of Gastric and Pancreatic Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Ping Li
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Jian-Wei Xie
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Jia-Bin Wang
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Jian-Xian Lin
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Qi-Yue Chen
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Long-Long Cao
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Mi Lin
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China
| | - Chang-Ming Huang
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China.
| | - Zhi-Wei Zhou
- Department of Gastric and Pancreatic Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
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Jian-Hui C, Shi-Rong C, Hui W, Si-le C, Jian-Bo X, Er-Tao Z, Chuang-Qi C, Yu-Long H. Prognostic value of three different lymph node staging systems in the survival of patients with gastric cancer following D2 lymphadenectomy. Tumour Biol 2016; 37:11105-13. [PMID: 26912060 PMCID: PMC4999458 DOI: 10.1007/s13277-015-4191-7] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Accepted: 10/01/2015] [Indexed: 01/07/2023] Open
Abstract
The log odds of positive lymph nodes (LODDS) was defined as the log of the ratio between the number of positive lymph nodes and the number of negative lymph nodes, which is a novel and promising nodal staging system for gastric cancer. Here, we aimed to compare the prognostic effect of pN, lymph node ratio (LNR) and LODDS. The association between overall survival and pN, LNR and LODDS was retrospectively analysed. The discriminatory ability and monotonicity of gradients (linear trend χ (2) score), homogeneity ability (likelihood ratio test) and prognostic stratification ability (Akaike information criterion [AIC] and receiver operating characteristic [ROC] curve) were compared among three lymph node staging systems. The pN, LNR and LODDS were all identified as independent prognostic factors for gastric cancer patients in the multivariate analysis. LODDS showed the best prognostic performance (linear trend χ (2) score 266.743, likelihood ratio χ (2) test score 427.771, AIC value 5670.226, area under the curve (AUC) 0.793), followed by LNR and pN. In patients with different levels of retrieved lymph nodes (≤10, 11-14, 15-25 and >25), LODDS was the most powerful for prognostic prediction and discrimination of the heterogeneity among the subgroups. Significant differences in survival were observed among patients in different LODDS subgroups after being classified according to the pN and LNR classifications. LODDS appears to be a more powerful system for predicting the overall survival of gastric cancer patients, as compared to LNR and pN, and may serve as an alternative nodal staging system for gastric cancer.
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Affiliation(s)
- Chen Jian-Hui
- Division of Gastrointestinal Surgery Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
- Gastric Cancer Center, Sun Yat-sen University, Guangzhou, 510080, China
| | - Cai Shi-Rong
- Division of Gastrointestinal Surgery Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
- Gastric Cancer Center, Sun Yat-sen University, Guangzhou, 510080, China
| | - Wu Hui
- Division of Gastrointestinal Surgery Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
- Gastric Cancer Center, Sun Yat-sen University, Guangzhou, 510080, China
| | - Chen Si-le
- Division of Gastrointestinal Surgery Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
- Gastric Cancer Center, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xu Jian-Bo
- Division of Gastrointestinal Surgery Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
- Gastric Cancer Center, Sun Yat-sen University, Guangzhou, 510080, China
| | - Zhai Er-Tao
- Division of Gastrointestinal Surgery Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
- Gastric Cancer Center, Sun Yat-sen University, Guangzhou, 510080, China
| | - Chen Chuang-Qi
- Division of Gastrointestinal Surgery Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
- Gastric Cancer Center, Sun Yat-sen University, Guangzhou, 510080, China
| | - He Yu-Long
- Division of Gastrointestinal Surgery Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China.
- Gastric Cancer Center, Sun Yat-sen University, Guangzhou, 510080, China.
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Lee JW, Ali B, Park CH, Song KY. Different lymph node staging systems in patients with gastric cancer from Korean: What is the best prognostic assessment tool? Medicine (Baltimore) 2016; 95:e3860. [PMID: 27336871 PMCID: PMC4998309 DOI: 10.1097/md.0000000000003860] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
To investigate whether the log odds of positive lymph nodes (LODDS) system is a more accurate prognostic tool than the number-based (pN) or ratio-based (rN) lymph node staging system in Korean patients with gastric cancer (GC).The LODDS is a recently proposed staging modality in surgical oncology. However, it is unclear whether LODDS is superior to the pN or rN system in terms of predicting the prognosis of GC patients who underwent radical gastrectomy with extended lymphadenectomy and had a greater number of retrieved lymph nodes.Clinicopathological data from 3929 patients who had undergone curative gastrectomy for GC were reviewed. In addition, overall survival rates according to pN and rN classification stratified by the LODDS were analyzed. A multivariate analysis of survival rate was performed using a Cox proportional hazard model.pN, rN, and LODDS were significantly correlated with 5-year survival rate. Spearman correlation test showed no correlation between LODDS and number of lymph nodes retrieved. The receiver operating characteristic (ROC) curves showed that the 3 staging systems had comparable prognostic accuracy (P < 0.05). Survival analysis according to pN and rN classification stratified by the LODDS staging system demonstrated that LODDS is superior to pN and rN.The LODDS is independently and significantly associated with the OS of Korean patients with GC, and its prognostic value is superior to that of the other lymph node staging systems in Korean patients.
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Affiliation(s)
- Jin Won Lee
- Department of Surgery, Chuncheon Sacred Heart Hospital, The Hallym University of Korea, College of Medicine, Chuncheon
- Department of Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea, College of Medicine, Seoul, Korea
| | - Bandar Ali
- Department of Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea, College of Medicine, Seoul, Korea
| | - Cho Hyun Park
- Department of Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea, College of Medicine, Seoul, Korea
| | - Kyo Young Song
- Department of Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea, College of Medicine, Seoul, Korea
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Cao J, Yuan P, Ma H, Ye P, Wang Y, Yuan X, Bao F, Lv W, Hu J. Log Odds of Positive Lymph Nodes Predicts Survival in Patients After Resection for Esophageal Cancer. Ann Thorac Surg 2016; 102:424-32. [PMID: 27180928 DOI: 10.1016/j.athoracsur.2016.03.030] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 03/07/2016] [Accepted: 03/08/2016] [Indexed: 01/12/2023]
Abstract
BACKGROUND The number of lymph node metastases (LNMs) and the positive lymph node ratio (LNR) have been shown to be significant independent prognostic factors in predicting overall survival in patients with esophageal cancer. Our aim was to evaluate whether a novel prognostic indicator-the log odds of positive lymph nodes (LODDS)-predicts survival in esophageal cancer. METHODS Patients who underwent esophagectomy for esophageal cancer between 1988 and 2007 were identified from the Surveillance, Epidemiology, and End Results (SEER) database of 18 registries, and a Chinese patient cohort was subjected to validation. The prognostic efficacy of LNM, LNR, and LODDS was compared. Prognostic performance was measured using Harrell's C-index statistic, Schemper's proportion of explained variation, and the Akaike information criterion (AIC). RESULTS A total of 4,123 patients in the SEER database and 134 patients in the Chinese cohort met our criteria in this study. LODDS gave a better prognostic performance than either LNM or LNR in both the SEER database and the Chinese cohort. Multivariate analyses showed significant values for LNM, LNR, and LODDS as prognostic factors (p < 0.001). However, only LODDS was a significant prognostic factor regardless of the number of lymph nodes retrieved (p = 0.677). Furthermore, after stratification of patients with no nodes involved or all nodes involved, the values of LODDS still distinguished the heterogeneity efficiently. CONCLUSIONS LODDS predicts survival more accurately than either LNM or LNR in patients undergoing resection for esophageal cancer, especially for patients with an insufficient number of lymph nodes retrieved.
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Affiliation(s)
- Jinlin Cao
- Department of Thoracic Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Ping Yuan
- Department of Thoracic Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Honghai Ma
- Department of Thoracic Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Peng Ye
- Department of Thoracic Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yiqing Wang
- Department of Thoracic Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Xiaoshuai Yuan
- Department of Thoracic Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Feichao Bao
- Department of Thoracic Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Wang Lv
- Department of Thoracic Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Jian Hu
- Department of Thoracic Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.
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43
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Amini N, Kim Y, Wilson A, Margonis GA, Ethun CG, Poultsides G, Tran T, Idrees K, Isom CA, Fields RC, Krasnick B, Weber SM, Salem A, Martin RCG, Scoggins C, Shen P, Mogal HD, Schmidt C, Beal E, Hatzaras I, Shenoy R, Maithel SK, Pawlik TM. Prognostic Implications of Lymph Node Status for Patients With Gallbladder Cancer: A Multi-Institutional Study. Ann Surg Oncol 2016; 23:3016-23. [PMID: 27150440 DOI: 10.1245/s10434-016-5243-y] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Indexed: 02/06/2023]
Abstract
BACKGROUND Although the American Joint Committee on Cancer (AJCC) classification is the most accepted lymph node (LN) staging system for gallbladder adenocarcinoma (GBA), other LN prognostic schemes have been proposed. This study sought to define the performance of the AJCC LN staging system relative to the number of metastatic LNs (NMLN), the log odds of metastatic LN (LODDS), and the LN ratio (LNR). METHODS Patients who underwent curative-intent resection for GBA between 2000 and 2015 were identified from a multi-institutional database. The prognostic performance of various LN staging systems was compared by Harrell's C and the Akaike information criterion (AIC). RESULTS Altogether, 214 patients with a median age of 66.7 years (interquartile range [IQR] 56.5-73.1) were identified. A total of 1334 LNs were retrieved, with a median of 4 (IQR 2-8) LNs per patient. Patients with LN metastasis had an increased risk of death (hazard ratio [HR] 1.87; 95 % confidence interval [CI] 1.24-2.82; P = 0.003) and recurrence (HR 2.28; 95 % CI 1.37-3.80; P = 0.002). In the entire cohort, LNR, analyzed as either a continuous scale (C-index, 0.603; AIC, 803.5) or a discrete scale (C-index, 0.609; AIC, 802.2), provided better prognostic discrimination. Among the patients with four or more LNs examined, LODDS (C-index, 0.621; AIC, 363.8) had the best performance versus LNR (C-index, 0.615; AIC, 368.7), AJCC LN staging system (C-index, 0.601; AIC, 373.4), and NMLN (C-index, 0.613; AIC, 369.5). CONCLUSIONS Both LODDS and LNR performed better than the AJCC LN staging system. Among the patients who had four or more LNs examined, LODDS performed better than LNR. Both LODDS and LNR should be incorporated into the AJCC LN staging system for GBA.
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Affiliation(s)
- Neda Amini
- Division of Surgical Oncology, Department of Surgery, The Johns Hopkins Hospital, Baltimore, MD, USA
| | - Yuhree Kim
- Division of Surgical Oncology, Department of Surgery, The Johns Hopkins Hospital, Baltimore, MD, USA
| | - Ana Wilson
- Division of Surgical Oncology, Department of Surgery, The Johns Hopkins Hospital, Baltimore, MD, USA
| | | | - Cecilia G Ethun
- Division of Surgical Oncology, Department of Surgery, Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - George Poultsides
- Department of Surgery, Stanford University Medical Center, Stanford, CA, USA
| | - Thuy Tran
- Department of Surgery, Stanford University Medical Center, Stanford, CA, USA
| | - Kamran Idrees
- Division of Surgical Oncology, Department of Surgery, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Chelsea A Isom
- Division of Surgical Oncology, Department of Surgery, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Ryan C Fields
- Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - Bradley Krasnick
- Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - Sharon M Weber
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Ahmed Salem
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Robert C G Martin
- Division of Surgical Oncology, Department of Surgery, University of Louisville, Louisville, KY, USA
| | - Charles Scoggins
- Division of Surgical Oncology, Department of Surgery, University of Louisville, Louisville, KY, USA
| | - Perry Shen
- Department of Surgery, Wake Forest University, Winston-Salem, NC, USA
| | - Harveshp D Mogal
- Department of Surgery, Wake Forest University, Winston-Salem, NC, USA
| | - Carl Schmidt
- Division of Surgical Oncology, The Ohio State University Comprehensive Cancer Center, Columbus, OH, USA
| | - Eliza Beal
- Division of Surgical Oncology, The Ohio State University Comprehensive Cancer Center, Columbus, OH, USA
| | | | - Rivfka Shenoy
- Department of Surgery, New York University, New York, NY, USA
| | - Shishir K Maithel
- Division of Surgical Oncology, Department of Surgery, Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Timothy M Pawlik
- Division of Surgical Oncology, Department of Surgery, The Johns Hopkins Hospital, Baltimore, MD, USA.
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Yamashita K, Hosoda K, Ema A, Watanabe M. Lymph node ratio as a novel and simple prognostic factor in advanced gastric cancer. Eur J Surg Oncol 2016; 42:1253-60. [PMID: 27017273 DOI: 10.1016/j.ejso.2016.03.001] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2015] [Revised: 01/02/2016] [Accepted: 03/01/2016] [Indexed: 12/14/2022] Open
Abstract
TNM staging is no doubt the most critical prognostic factors, representing tumor (T)/lymph node metastasis (N)/distant metastasis (M) in gastric cancer. Lymph node ratio-based N system (Nr) has been repeatedly reported to be of prognostic relevance in advanced gastric cancer independent of stage in the multivariate analysis world-wide, and proposed as more sophisticated than N with regard to predicting accurate prognosis. As a result, proposed TNrM system may predict survival more accurately than the present TNM staging system for patients undergoing limited lymph node analysis. It could adjust stage migration when the lymph node number was used as staging factor. Although correlation of the number of metastatic lymph nodes and lymph node ratio is obvious, biological characteristics other than that could also have been reflected on. It may indicate how successful the operation of lymph node dissection was, or it may be revealing the potential of the patient's lymph node immune-reaction. Recently, high lymph node ratio is closely associated with EGFR expression in advanced gastric cancer. When efficiency of applying lymph node ratio as a biomarker is verified and confirmed in an expansive research, and when cancer causing molecules are identified, as well as the competence as a treatment target is studied, the new biomarker, namely, lymph node ratio, could find itself in a limelight in gastric cancer treatment in the future.
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Affiliation(s)
- K Yamashita
- Department of Surgery, Kitasato University School of Medicine, Kitasato 1-15-1, Minami-ku, Sagamihara, Kangawa 252-0374, Japan.
| | - K Hosoda
- Department of Surgery, Kitasato University School of Medicine, Kitasato 1-15-1, Minami-ku, Sagamihara, Kangawa 252-0374, Japan
| | - A Ema
- Department of Surgery, Kitasato University School of Medicine, Kitasato 1-15-1, Minami-ku, Sagamihara, Kangawa 252-0374, Japan
| | - M Watanabe
- Department of Surgery, Kitasato University School of Medicine, Kitasato 1-15-1, Minami-ku, Sagamihara, Kangawa 252-0374, Japan
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Prognostic Performance of Different Lymph Node Staging Systems After Curative Intent Resection for Gastric Adenocarcinoma. Ann Surg 2016; 262:991-8. [PMID: 25563867 DOI: 10.1097/sla.0000000000001040] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
OBJECTIVE To compare the prognostic performance of American Joint Committee on Cancer/International Union Against Cancer seventh N stage relative to lymph node ratio (LNR), log odds of metastatic lymph nodes (LODDS), and N score in gastric adenocarcinoma. BACKGROUND Metastatic disease to the regional LN basin is a strong predictor of worse long-term outcome following curative intent resection of gastric adenocarcinoma. METHODS A total of 804 patients who underwent surgical resection of gastric adenocarcinoma were identified from a multi-institutional database. The relative discriminative abilities of the different LN staging/scoring systems were assessed using the Akaike's Information Criterion (AIC) and the Harrell's concordance index (c statistic). RESULTS Of the 804 patients, 333 (41.4%) had no lymph node metastasis, whereas 471 (58.6%) had lymph node metastasis. Patients with ≥N1 disease had an increased risk of death (hazards ratio = 2.09, 95% confidence interval: 1.68-2.61; P < 0.001]. When assessed using categorical cutoff values, LNR had a somewhat better prognostic performance (C index: 0.630; AIC: 4321.9) than the American Joint Committee on Cancer seventh edition (C index: 0.615; AIC: 4341.9), LODDS (C index: 0.615; AIC: 4323.4), or N score (C index: 0.620; AIC: 4324.6). When LN status was modeled as a continuous variable, the LODDS staging system (C index: 0.636; AIC: 4304.0) outperformed other staging/scoring systems including the N score (C index: 0.632; AIC: 4308.4) and LNR (C index: 0.631; AIC: 4225.8). Among patients with LNR scores of 0 or 1, there was a residual heterogeneity of outcomes that was better stratified and characterized by the LODDS. CONCLUSIONS When assessed as a categorical variable, LNR was the most powerful manner to stratify patients on the basis of LN status. LODDS was a better predicator of survival when LN status was modeled as a continuous variable, especially among those patients with either very low or high LNR.
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46
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Li Q, Liang L, Gan L, Cai G, Li X, Cai S. Effect of Lymph Node Count on Pathological Stage III Rectal Cancer with Preoperative Radiotherapy. Sci Rep 2015; 5:16990. [PMID: 26582242 PMCID: PMC4652213 DOI: 10.1038/srep16990] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Accepted: 10/22/2015] [Indexed: 12/31/2022] Open
Abstract
Lymph node (LN) status after surgery for rectal cancer is affected by preoperative radiotherapy. The purpose of this study was to perform a population-based evaluation of the impact of pathologic LN status after neoadjuvant radiotherapy on survival. A total of 1,650 patients receiving neoadjuvant chemotherapy in Surveillance, Epidemiology, and End Results Program (SEER)-registered ypIII stage rectal cancer was analyzed. We identified the optimal cutoff for retrieved LNs as 10 (χ2 = 14.006, P < 0.001), which was validated as an independent prognosis factors in a Cox regression model. Further analysis showed that the LN count was only a prognosis factor with the number from 8 to 16(except for 13).After the number 16, the 5-year survival rate decreased gradually. Collectively, our results confirmed that the number of LNs in yp III stage rectal patients was a prognosis factor only with the numbers from 8 to 16(except for 13). Using the total mesorectal excision technique with an adequate pathologic examination, a large number of LNs retrieved (≥17) might indicate worse tumor response grade and poorer survival.
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Affiliation(s)
- Qingguo Li
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Lei Liang
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Lu Gan
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China.,Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, China
| | - Guoxiang Cai
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Xinxiang Li
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Sanjun Cai
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
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Kirchoff DD, Deutsch GB, Fujita M, Lee DY, Sim MS, Lee JH, Bilchik AJ. Overall Survival Is Impacted by Birthplace and Not Extent of Surgery in Asian Americans with Resectable Gastric Cancer. J Gastrointest Surg 2015; 19:1966-73. [PMID: 26307345 DOI: 10.1007/s11605-015-2919-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Accepted: 08/10/2015] [Indexed: 01/31/2023]
Abstract
Survival from gastric cancer in the USA still lags behind Asia. Genetic, environmental, and tumor biology differences, along with extent of surgery have been implicated. Our aim was to evaluate survival outcomes in Asian-American gastric cancer patients undergoing surgical resection by comparing place of birth and clinicopathologic characteristics (including evaluation of 15 lymph nodes).The Surveillance, Epidemiology, and End Results database was queried to identify patients treated surgically for gastric cancer with curative intent in the USA (2000-2010). US-born versus foreign-born Asian-American patients were analyzed for survival. Secondary comparison was made to non-Asian patients. Stage IV and non-surgical patients were excluded. Of 10,089 patients identified, 1467 patients were Asian: 271 were born in the USA, and 1196 were born outside the USA. Median survival was 32 months for non-Asians and 29 months for US-born Asians versus 61 months for Asian immigrants (p < 0.001). On multivariable analysis of overall survival in Asian patients, only US birthplace, older age, and higher stage yielded a significantly poorer outcome. Asian-American patients have a worse prognosis if born in the USA. Anatomic and surgical differences do not explain this disparity; environmental factors may be responsible.
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Affiliation(s)
- Daniel D Kirchoff
- John Wayne Cancer Institute at Providence St. John's Health Center, Santa Monica, CA, USA
| | - Gary B Deutsch
- John Wayne Cancer Institute at Providence St. John's Health Center, Santa Monica, CA, USA
| | - Manabu Fujita
- John Wayne Cancer Institute at Providence St. John's Health Center, Santa Monica, CA, USA
| | - David Y Lee
- John Wayne Cancer Institute at Providence St. John's Health Center, Santa Monica, CA, USA
| | - Myung Shin Sim
- University of California at Los Angeles, DOMSTAT, Los Angeles, CA, USA
| | - Ji Hey Lee
- John Wayne Cancer Institute at Providence St. John's Health Center, Santa Monica, CA, USA
| | - Anton J Bilchik
- John Wayne Cancer Institute at Providence St. John's Health Center, Santa Monica, CA, USA. .,California Oncology Research Institute, Los Angeles, CA, USA.
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Increased number of negative lymph nodes is associated with improved cancer specific survival in pathological IIIB and IIIC rectal cancer treated with preoperative radiotherapy. Oncotarget 2015; 5:12459-71. [PMID: 25514596 PMCID: PMC4323013 DOI: 10.18632/oncotarget.2560] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Accepted: 09/29/2014] [Indexed: 02/07/2023] Open
Abstract
Preoperative radiation significantly decreases the number of retrieved lymph nodes (LNs) in rectal cancer, but little is known with respect to the prognostic significance of negative LN (NLN) counts under these circumstances. In this study, Surveillance, Epidemiology, and End Results Program (SEER)-registered ypIII stage rectal cancer patients, and patients from Fudan University Shanghai Cancer Center (FDSCC) were combined and analyzed. The results showed that the survival rate of patients with n (cutoff) or more NLNs increased gradually when n ranged from two to nine. After n reached 10 or greater, survival rates were approximately equivalent. Furthermore, the optimal cutoff value of 10 was validated as an independent prognostic factor in stage ypIIIB and ypIIIC patients by both univariate and multivariate analysis (P < 0.001); the number of NLNs could also stratify the prognosis of ypN(+) patients in more detail. Patients in the FDSCC set validated these findings and confirmed that NLN count was not decreased in the good tumor regression group relative to the poor tumor regression group. These results suggest that NLN count is an independent prognostic factor for ypIIIB and ypIIIC rectal cancer patients, and, together with the number of positive LNs, this will provide better prognostic information than the number of positive LNs alone.
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49
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Usefulness of the log odds of positive lymph nodes to predict and discriminate prognosis in gastric carcinomas. J Gastrointest Surg 2015; 19:813-20. [PMID: 25560183 DOI: 10.1007/s11605-014-2728-5] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2014] [Accepted: 12/10/2014] [Indexed: 01/31/2023]
Abstract
BACKGROUND The lymph node ratio (LNR) and log odds of positive lymph nodes (LODDS) have been proposed to minimize the stage migration phenomenon. The value of the LODDS and LNR staging systems to predict and discriminate prognosis was assessed and compared to the International Union Against Cancer (UICC) TNM classification (pN). METHODS Three hundred and twenty-six patients with gastric carcinoma were retrospectively studied. Disease-specific survival rates were calculated for every pN, LNR, and LODDS category. RESULTS Four LNR categories (0, 1-25, 26-75, and >76 %) and four LODDS categories (-5 to -3, > -3 to -1, > -1 to 3, and >3 to 5) were established. In the multivariate analysis, only the stage pT3-4 versus pT1-2 (HR 1.88, 95 % CI 1.11-3.20, p=0.02) and LODDS as continuous variable (HR 1.40, 95 % CI 1.21-1.61, p<0.001) remained as independent prognostic factors. In patients with <16 lymph nodes retrieved, only the LODDS system could discriminate different disease-specific survival curves for every category. LODDS categories were able to discriminate subgroups with different prognoses in pN stages and LNR categories. CONCLUSIONS The LODDS staging system was superior to the pN classification and LNR system to discriminate risk prognosis especially in patients with an insufficient number of retrieved lymph nodes.
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Wu XJ, Miao RL, Li ZY, Bu ZD, Zhang LH, Wu AW, Zong XL, Li SX, Shan F, Ji X, Ren H, Ji JF. Prognostic value of metastatic lymph node ratio as an additional tool to the TNM stage system in gastric cancer. Eur J Surg Oncol 2015; 41:927-33. [PMID: 25913059 DOI: 10.1016/j.ejso.2015.03.225] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 01/23/2015] [Accepted: 03/13/2015] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Gastric cancer is one of most common malignancies in the world. Currently the prognostic prediction is entirely based on the TNM staging system. In this study, we evaluated whether metastatic lymph node ratio (rN) at the time of surgery would improve the prognostic prediction in conjunction with the TNM staging system. METHODS This retrospective study includes 745 patients, who had been referred for surgery due to gastric cancer between 1995 and 2007 and had at least 15 lymph nodes examined at the time of surgery without preoperative treatment. Clinicopathologic features and overall survival were analyzed using univariate and multivariate modes to identify the risk factors for overall survival. RESULTS Median overall survival of all patients analyzed is 57.8 months and 5-year overall survival is 49.5%. Tumor site, macroscopic type, pTNM stage, and rN stage are identified as independent prognostic factors. Increased positive lymph node ratio correlates with shorter survival in all patients and in each T and N stage. In stage III gastric cancer patients, rN stage shows additional prognostic value on overall survival (p < 0.001). CONCLUSIONS rN stage is a simple and promising prognostic factor of gastric cancer after surgery in addition to the TNM stage system especially in stage III patients. But the independent prognostic value of rN stage in stage I, II and IV gastric cancer is yet to be determined.
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Affiliation(s)
- X-J Wu
- Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education, Department of Gastrointestinal Surgery, Peking University Cancer Hospital & Institute, Beijing, China
| | - R-L Miao
- Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education, Department of Gastrointestinal Surgery, Peking University Cancer Hospital & Institute, Beijing, China
| | - Z-Y Li
- Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education, Department of Gastrointestinal Surgery, Peking University Cancer Hospital & Institute, Beijing, China
| | - Z-D Bu
- Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education, Department of Gastrointestinal Surgery, Peking University Cancer Hospital & Institute, Beijing, China
| | - L-H Zhang
- Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education, Department of Gastrointestinal Surgery, Peking University Cancer Hospital & Institute, Beijing, China
| | - A-W Wu
- Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education, Department of Gastrointestinal Surgery, Peking University Cancer Hospital & Institute, Beijing, China
| | - X-L Zong
- Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education, Department of Gastrointestinal Surgery, Peking University Cancer Hospital & Institute, Beijing, China
| | - S-X Li
- Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education, Department of Gastrointestinal Surgery, Peking University Cancer Hospital & Institute, Beijing, China
| | - F Shan
- Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education, Department of Gastrointestinal Surgery, Peking University Cancer Hospital & Institute, Beijing, China
| | - X Ji
- Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education, Department of Gastrointestinal Surgery, Peking University Cancer Hospital & Institute, Beijing, China
| | - H Ren
- Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education, Department of Gastrointestinal Surgery, Peking University Cancer Hospital & Institute, Beijing, China
| | - J-F Ji
- Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education, Department of Gastrointestinal Surgery, Peking University Cancer Hospital & Institute, Beijing, China.
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