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Ishii T, Iwaki K, Nakakura A, Yoh T, Uchida Y, Hatano E. Is routine lymph node dissection recommended for liver resection of intrahepatic cholangiocarcinoma? A systematic review and meta-analysis. HPB (Oxford) 2024; 26:731-740. [PMID: 38580611 DOI: 10.1016/j.hpb.2024.03.1163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 02/16/2024] [Accepted: 03/25/2024] [Indexed: 04/07/2024]
Abstract
BACKGROUND/PURPOSE This meta-analysis aimed to elucidate the therapeutic effects of routine lymph node dissection (LND) with liver resection on intrahepatic cholangiocarcinoma (ICC). METHODS Databases, including MEDLINE, Web of Science, and Cochrane Central Register of Controlled Trials, were searched to identify studies comparing LND and non-LND for ICC liver resection. The primary outcome was overall survival (OS), and secondary outcomes were disease-free survival (DFS), in-hospital morbidity, blood loss, and R0 rate. RESULTS Seventeen studies involving 4407 patients were included. The OS did not differ between the LND (n = 2158) and non-LND (n = 2249) groups (HR, 1.05; 95% CI, 0.83-1.32). The secondary outcomes did not differ significantly between the groups. Subgroup analyses stratified by the risk of bias showed a significant difference in OS between the high- and low-risk groups (P = 0.0008). In the low-risk group, LND (vs. non-LND) was associated with superior OS (HR, 0.76; 95% CI, 0.59-0.98). Most studies in low-risk groups involved patients who were clinically node-negative. CONCLUSIONS The therapeutic effects of routine LND for ICC have not been demonstrated. However, LND had a positive impact on OS in studies with a low risk of bias, thus suggesting that there may be a subset of ICC patients who would benefit from LND.
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Affiliation(s)
- Takamichi Ishii
- Department of Surgery, Graduate School of Medicine, Kyoto University, Japan; Department of Surgery for Abdominal Oncology and Organ Regeneration, Graduate School of Medicine, Kyoto University, Japan.
| | - Kentaro Iwaki
- Department of Surgery, Graduate School of Medicine, Kyoto University, Japan
| | - Akiyoshi Nakakura
- Department of Biomedical Statistics and Bioinformatics, Graduate School of Medicine, Kyoto University, Japan
| | - Tomoaki Yoh
- Department of Surgery, Graduate School of Medicine, Kyoto University, Japan
| | - Yoichiro Uchida
- Department of Surgery, Graduate School of Medicine, Kyoto University, Japan
| | - Etsuro Hatano
- Department of Surgery, Graduate School of Medicine, Kyoto University, Japan
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Yeow M, Fong KY, Zhao JJ, Tan AYH, Koh YX, Kam JH, Goh BKP, Pawlik TM, Kabir T. Value of lymph node dissection in intrahepatic cholangiocarcinoma: a systematic review and meta-analysis. HPB (Oxford) 2024; 26:161-170. [PMID: 38071187 DOI: 10.1016/j.hpb.2023.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 09/18/2023] [Accepted: 11/17/2023] [Indexed: 02/02/2024]
Abstract
BACKGROUND The aim of this study was to perform a systematic review and meta-analysis to investigate the impact of lymph node dissection (LND) on outcomes following resection of intrahepatic cholangiocarcinoma (ICC). METHODS PubMed, EMBASE, and Cochrane were searched from inception to 30th January 2023 for studies that compared LND with no LND (NLND) among patients with ICC. To limit the effect of unbalanced covariates, only studies that utilized propensity score-based methods were included. Subgroup analysis of patients with clinically node-negative (cN0) ICC was analyzed. RESULTS Among 3776 patients with ICC, individuals in the LND versus NLND cohorts had comparable overall survival (OS) (Hazard ratio [HR] 0.78, 95 % confidence interval [CI] 0.57-1.06, P = 0.11), disease-free survival (DFS) (HR 0.84, 95 % CI 0.70-1.01, P = 0.07) and risk of major complications (odds ratio [OR] 1.07, 95 % CI 0.70-1.62, P = 0.75). Subgroup analysis of cN0 patients, OS was significantly higher in patients who underwent LND (HR 0.61, 95 % CI 0.50-0.74, P < 0.01), with a non-significant trend towards improved DFS (HR 0.81, 95 % CI 0.65-1.01, P = 0.06). CONCLUSION This study found no differences in long-term survival or morbidity following LND for ICC. Subgroup analysis of cN0 patients, who underwent LND detected improved OS with a trend towards better DFS, compared to patients with NLND.
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Affiliation(s)
- Marcus Yeow
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital, Singapore
| | - Khi Y Fong
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Joseph J Zhao
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Department of Medicine, National University Hospital, Singapore; National University Cancer Institute, Singapore
| | - Alvin Y Hui Tan
- Department of General Surgery, Sengkang General Hospital, Singapore, Singapore
| | - Ye X Koh
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital, Singapore; Duke-NUS Graduate Medical School, National University of Singapore, Singapore
| | - Juinn H Kam
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital, Singapore; Department of General Surgery, Sengkang General Hospital, Singapore, Singapore
| | - Brian K P Goh
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital, Singapore; Duke-NUS Graduate Medical School, National University of Singapore, Singapore
| | - Timothy M Pawlik
- Department of Surgery, The Ohio State University Wexner Medical Center and James Comprehensive Cancer Center, Columbus, OH, USA
| | - Tousif Kabir
- Department of General Surgery, Sengkang General Hospital, Singapore, Singapore.
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Atif M, Borakati A, Mavroeidis VK. Role of routine lymph node dissection alongside resection of intrahepatic cholangiocarcinoma: Systematic review and meta-analysis. World J Gastrointest Oncol 2023; 15:2017-2032. [DOI: 10.4251/wjgo.v15.i11.2017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/14/2023] [Accepted: 10/23/2023] [Indexed: 11/15/2023] Open
Abstract
BACKGROUND The global incidence of intrahepatic cholangiocarcinoma (ICCA) is soaring. Due to often delayed presentation, only a narrow spectrum of the disease is usually surgically resectable. To more accurately stage the disease, reduce recurrence, and improve overall survival, surgical teams are increasingly performing intraoperative lymph node dissection (LND) as well. This procedure has its associated morbidity, while there is no consensus or formal guidelines on its role in this setting. Hence, there is a need to better delineate the evidence for performing LND alongside surgical resection of the ICCA.
AIM To perform a systematic review and meta-analysis on the role of LND in improving prognostication and survival post-resection of ICCA.
METHODS We performed a systematic literature search using Pubmed, Medline, Embase, and the Cochrane Library, for all studies involving LND, ICCA, and surgical resection using several keywords, Medical Subject Headings (MeSH) tags, and appropriate synonyms. All clinical studies comparing curative intent resection of ICCA with LND vs resection without LND were included, while single-arm case series, studies with insufficient data, and duplicates were excluded. We included all English-language studies from the different academic databases up till early December 2022. The primary outcome measures were set for overall survival (OS) and disease-free survival (DFS).
RESULTS This systematic review and meta-analysis included 15 studies that fulfilled the selection criteria comprising 11413 patients with surgically-resectable ICCA, of whom 6424 (56.3%) underwent hepatectomy with LND while the remainder underwent hepatectomy only. In patients who underwent LND, on average, 27.7% of the resected lymph nodes were positive for metastatic disease. Overall, the results showed that performing LND did not significantly improve OS or DFS. However, the effect of LND on OS showed a degree of variability by geographical region, in Eastern and Western countries. As LND is increasingly being performed, further time-based analysis was undertaken to identify time-dependent changes in the role of LND. An increasing adoption of LND was not associated with improved OS. Furthermore, no roles were identified for neoadjuvant/adjuvant chemotherapy or increasing lymph node retrieval in improving OS either.
CONCLUSION LND might aid in staging, prognosticating, and deciding further management of resected ICCA, but does not improve OS and DFS and is unsuitable for high-risk patients unlikely to benefit from further treatments.
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Affiliation(s)
- Mo Atif
- Department of Colorectal Surgery, University Hospitals Birmingham NHS Foundation Trust, Birmingham B15 2GW, United Kingdom
| | - Aditya Borakati
- Department of HPB and Liver Transplantation Surgery, Royal Free Hospital NHS Foundation Trust, London NW3 2QG, United Kingdom
| | - Vasileios K Mavroeidis
- Department of HPB Surgery, University Hospitals Bristol and Weston NHS Foundation Trust, Bristol Royal Infirmary, Bristol BS2 8HW, United Kingdom
- Department of Academic Surgery, Royal Marsden NHS Foundation Trust, London SW3 6JJ, United Kingdom
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Lin Q, Chen J, Li K, Yang J, Luo X, Cai Q, Lin W, Peng G, Chen D, Qin C, He T, Wang Z. Is Lymphadenectomy Reasonable for Elderly Intrahepatic Cholangiocarcinoma Patients? J Gastrointest Surg 2023; 27:2451-2463. [PMID: 37783911 PMCID: PMC10661814 DOI: 10.1007/s11605-023-05846-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 09/13/2023] [Indexed: 10/04/2023]
Abstract
BACKGROUND In this study, we aimed to determine the impact of lymphadenectomy (LND) on clinical outcomes in ICC patients aged ≥ 70 years. METHODS Four hundred and three eligible patients diagnosed with ICC who underwent hepatectomy between 2004 and 2019 were enrolled in the Surveillance, Epidemiology, and End Results database. The impact of LND on perioperative mortality and overall survival (OS) as well as the optimal total number of lymph nodes examined (TNLE) was estimated. RESULTS One hundred thirty-nine pairs of patients were matched by propensity score matching. Perioperative mortality was comparable between the LND and non-LND (nLND) groups (0.7% vs. 2.9%, P = 0.367). The median OS in the LND group was significantly longer (44 vs. 32 months, P = 0.045) and LND was identified as an independent protective factor for OS by multivariate analysis (HR 0.65, 95% CI 0.46-0.92, P = 0.014). Patients with the following characteristics were potential beneficiaries of LND: white, female, no/moderate fibrosis, tumor size > 5 cm, solitary tumor, and localized invasion (all P < 0.05). TNLE ≥ 6 had the greatest discriminatory power for identifying lymph node metastasis (area under the curve, 0.704, Youden index, 0.365, P = 0.002). Patients with pathologically confirmed lymph node metastasis are likely to benefit from adjuvant therapy (40 months vs. 4 months, P = 0.052). CONCLUSIONS Advanced age (≥ 70 years) was not a contraindication for LND, which facilitates accurate nodal staging and guides postoperative management. Appropriately selected elderly populations could benefit from LND.
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Affiliation(s)
- Qianyi Lin
- Sixth Department of General Surgery, Central People's Hospital of Zhanjiang, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, Guangdong Province, China
| | - Jianjun Chen
- Second Department of General Surgery, Central People's Hospital of Zhanjiang, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, Guangdong Province, China
| | - Kangde Li
- Sixth Department of General Surgery, Central People's Hospital of Zhanjiang, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, Guangdong Province, China
| | - Junxing Yang
- Seventh Department of General Surgery, Central People's Hospital of Zhanjiang, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, Guangdong Province, China
| | - Xiaofeng Luo
- Seventh Department of General Surgery, Central People's Hospital of Zhanjiang, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, Guangdong Province, China
| | - Qi Cai
- Sixth Department of General Surgery, Central People's Hospital of Zhanjiang, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, Guangdong Province, China
| | - Weihong Lin
- Sixth Department of General Surgery, Central People's Hospital of Zhanjiang, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, Guangdong Province, China
| | - Guanjing Peng
- Sixth Department of General Surgery, Central People's Hospital of Zhanjiang, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, Guangdong Province, China
| | - Dexiong Chen
- Sixth Department of General Surgery, Central People's Hospital of Zhanjiang, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, Guangdong Province, China
| | - Chunhong Qin
- Sixth Department of General Surgery, Central People's Hospital of Zhanjiang, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, Guangdong Province, China
| | - Tao He
- Sixth Department of General Surgery, Central People's Hospital of Zhanjiang, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, Guangdong Province, China
| | - Zhenlong Wang
- Seventh Department of General Surgery, Central People's Hospital of Zhanjiang, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, Guangdong Province, China.
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Ke Q, Wang L, Lin Z, Liu H, Lou J, Zheng S, Bi X, Wang J, Guo W, Li F, Wang J, Zheng Y, Li J, Cheng S, Zhou W, Liu J, Zeng Y. Anatomic versus non-anatomic resection for early-stage intrahepatic cholangiocarcinoma: a propensity score matching and stabilized inverse probability of treatment weighting analysis. BMC Cancer 2023; 23:850. [PMID: 37697239 PMCID: PMC10496223 DOI: 10.1186/s12885-023-11341-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 08/26/2023] [Indexed: 09/13/2023] Open
Abstract
BACKGROUND Radical resection is still the most cost-effectiveness curative strategy for intrahepatic cholangiocarcinoma (ICC), but it remains controversial on the survival benefit of anatomic resection (AR). In this study, we sought to compare the oncologic outcomes between AR versus non-AR (NAR) as the primary treatment for early-stage ICC patients. METHODS Data of ICC patients who underwent hepatectomy and staged at AJCC I were retrospectively collected from 12 hepatobiliary centers in China between Dec 2012 and Dec 2015. Propensity score matching (PSM) and stabilized inverse probability of treatment weighting (IPTW) analysis were performed to minimize the effect of potential confounders, and the perioperative and long-term outcomes between AR and NAR groups were compared. RESULTS Two hundred seventy-eight ICC patients staged at AJCC I were eligible for this study, including 126 patients receiving AR and 152 patients receiving NAR. Compared to the NAR group, the AR group experienced more intraoperative blood loss before and after PSM or stabilized IPTW (all P > 0.05); AR group also experienced more intraoperative transfusion after stabilized IPTW (P > 0.05). In terms of disease-free survival (DFS) and overall survival (OS), no significant differences were observed between the two groups before and after PSM or stabilized IPTW (all P > 0.05). Multivariable Cox regression analyses found that AR was not an independent prognostic factor for either DFS or OS (all P > 0.05). Further analysis also showed that the survival benefit of AR was not found in any subgroup stratified by Child-Pugh grade (A or B), cirrhosis (presence or absence), tumor diameter (≤ 5 cm or > 5 cm) and pathological type (mass-forming or non-mass-forming) with all P > 0.05. CONCLUSION Surgical approach does not influence the prognosis of patients with stage I primary ICC, and NAR might be acceptable and oncological safety.
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Grants
- 2020QH1242 the Startup Fund for Scientific Research, Fujian Medical University, Fujian, P.R.C
- 2020Y2013 Fujian Provincial Clinical Research Center for Hepatobiliary and Pancreatic Tumors, Fujian, P.R.C
- 201912002 the Key Clinical Specialty Discipline Construction Program of Fuzhou, Fujian, P.R.C
- 62275050 the National Natural Science Foundation of China, P.R.C
- 2019Y9108 the Joint Funds for the Innovation of Science and Technology of Fujian province, Fujian, P.R.C
- 2021ZQNZD013 The Major Scientific Research Project for Middle and Young People funded by the Fujian Provincial Health Commission, Fujian, P.R.C
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Affiliation(s)
- Qiao Ke
- Department of Hepatobiliary Surgery, Mengchao Hepatobiliary Hospital of Fujian Medical University, No. 312, Xihong Road, Fuzhou, Fujian, 350025, PR China
- Department of Hepatobiliary Surgery, Clinical Oncology School of Fujian Medical University, No. 420, Fuma Road, Fuzhou, Fujian, 350014, PR China
| | - Lei Wang
- Department of Oncology, the Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Ziguo Lin
- Department of Hepatobiliary Surgery, Mengchao Hepatobiliary Hospital of Fujian Medical University, No. 312, Xihong Road, Fuzhou, Fujian, 350025, PR China
| | - Hongzhi Liu
- Department of Hepatobiliary Surgery, Mengchao Hepatobiliary Hospital of Fujian Medical University, No. 312, Xihong Road, Fuzhou, Fujian, 350025, PR China
| | - Jianying Lou
- Department of Hepatobiliary Surgery, the Second Hospital Affiliated to Zhejiang University, Hangzhou, China
| | - Shuguo Zheng
- Department of Hepatobiliary Surgery, the Southwest Hospital Affiliated to the Army Medical University, Chongqing, China
| | - Xinyu Bi
- Department of Hepatobiliary Surgery, Cancer Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Jianming Wang
- Department of Hepatobiliary Surgery, Tongji Hospital Affiliated to Tongji Medical College, Huazhong University of Science &Technology, Wuhan, China
| | - Wei Guo
- Department of Hepatobiliary Surgery, Beijing Friendship Hospital Affiliated to Capital Medical University, Beijing, China
| | - Fuyu Li
- Department of Hepatobiliary Surgery, the West China Hospital of Sichuan University, Chengdu, China
| | - Jian Wang
- Department of Hepatobiliary Surgery, Renji Hospital Affiliated to Shanghai Jiaotong University, Shanghai, China
| | - Yamin Zheng
- Department of Hepatobiliary Surgery, Xuanwu Hospital Affiliated to Capital Medical University, Beijing, China
| | - Jingdong Li
- Department of Hepatobiliary Surgery, the Affiliated Hospital of Chuanbei Medical University, Nanchong, China
| | - Shi Cheng
- Department of Hepatobiliary Surgery, Tiantan Hospital Affiliated to Capital Medical University, Beijing, China
| | - Weiping Zhou
- Department of Hepatobiliary Surgery III, Eastern Hepatobiliary Surgery Hospital, Naval Medical University, Shanghai, China
| | - Jingfeng Liu
- Department of Hepatobiliary Surgery, Mengchao Hepatobiliary Hospital of Fujian Medical University, No. 312, Xihong Road, Fuzhou, Fujian, 350025, PR China.
- Department of Hepatobiliary Surgery, Clinical Oncology School of Fujian Medical University, No. 420, Fuma Road, Fuzhou, Fujian, 350014, PR China.
| | - Yongyi Zeng
- Department of Hepatobiliary Surgery, Mengchao Hepatobiliary Hospital of Fujian Medical University, No. 312, Xihong Road, Fuzhou, Fujian, 350025, PR China.
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Zhang R, Zhang J, Chen C, Qiu Y, Wu H, Song T, He Y, Li J, Zhang D, Geng Z, Tang Z. The optimal number of examined lymph nodes for accurate staging of intrahepatic cholangiocarcinoma: A multi-institutional analysis using the nodal staging score model. EUROPEAN JOURNAL OF SURGICAL ONCOLOGY 2023; 49:1429-1435. [PMID: 37005204 DOI: 10.1016/j.ejso.2023.03.221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 03/19/2023] [Accepted: 03/21/2023] [Indexed: 04/03/2023]
Abstract
BACKGROUND This study aims to develop a nodal staging score (NSS) to determine the optimal number of lymph nodes (LNs) examined in intrahepatic cholangiocarcinoma (iCCA) patients. METHODS Clinicopathologic data were collected from the SEER database (development cohort, n = 2782) and seven Chinese tertiary hospitals (validation cohort, n = 363). NSS was constructed based on a binomial distribution to indicate the probability of nodal disease absence. In addition, its prognostic value was examined by survival analysis and multivariable modeling on pN0 patients. RESULTS A model fit was performed in node-positive patients and a subgroup analysis was performed according to clinical characteristics. Statistically significant differences were only found in the subgroups when divided by the tumor size of 3 cm. As the number of examined lymph nodes (ELNs) increased, the likelihood of missing a metastatic LN decreased. NSS escalated as ELNs increased in groups with different tumor sizes, with plateaus at 7 and 11 LNs ensuring an NSS of 90.0% for ≤3 cm and >3 cm tumors, respectively. For pN0 patients, multivariate analysis revealed that NSS was an independent prognostic factor for overall survival (OS) and recurrence-free survival (RFS). CONCLUSIONS For accurate staging of iCCA, the optimal number of ELNs was related to tumor size. We recommend that at least 7 and 11 LNs should be examined for tumor size ≤3 cm and >3 cm, respectively. Therefore, the NSS model could be helpful to make clinical decisions for pN0 iCCA.
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Affiliation(s)
- Rui Zhang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Jingwei Zhang
- Department of Industrial Engineering, School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Chen Chen
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Yinghe Qiu
- Department of Biliary Surgery, Eastern Hepatobiliary Surgery Hospital, Affiliated to Naval Medical University, Shanghai, 200433, China
| | - Hong Wu
- Department of Hepatobiliary and Pancreatic Surgery, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Tianqiang Song
- Department of Hepatobiliary Oncology, Tianjin Medical University Cancer Hospital, Tianjin, 300060, China
| | - Yu He
- Department of Hepatobiliary Surgery, The First Hospital Affiliated to Army Medical University, Chongqing, 400038, China
| | - Jingdong Li
- Department of Hepatobiliary Surgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, 637000, China
| | - Dong Zhang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Zhimin Geng
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.
| | - Zhaohui Tang
- Department of General Surgery, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, 200092, China.
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Honda T, Onishi H, Fukui H, Yano K, Kiso K, Nakamoto A, Tsuboyama T, Ota T, Tatsumi M, Tahara S, Kobayashi S, Eguchi H, Tomiyama N. Extracellular volume fraction using contrast-enhanced CT is useful in differentiating intrahepatic cholangiocellular carcinoma from hepatocellular carcinoma. Front Oncol 2023; 13:1214977. [PMID: 37483497 PMCID: PMC10359704 DOI: 10.3389/fonc.2023.1214977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 06/19/2023] [Indexed: 07/25/2023] Open
Abstract
Objectives To evaluate whether tumor extracellular volume fraction (fECV) on contrast-enhanced computed tomography (CT) aids in the differentiation between intrahepatic cholangiocarcinoma (ICC) and hepatocellular carcinoma (HCC). Methods In this retrospective study, 113 patients with pathologically confirmed ICC (n = 39) or HCC (n = 74) who had undergone preoperative contrast-enhanced CT were enrolled. Enhancement values of the tumor (Etumor) and aorta (Eaorta) were obtained in the precontrast and equilibrium phase CT images. fECV was calculated using the following equation: fECV [%] = Etumor/Eaorta × (100 - hematocrit [%]). fECV values were compared between the ICC and HCC groups using Welch's t-test. The diagnostic performance of fECV for differentiating ICC and HCC was assessed using receiver-operating characteristic (ROC) analysis. fECV and the CT imaging features of tumors were evaluated by two radiologists. Multivariate logistic regression analysis was performed to identify factors predicting a diagnosis of ICC. Results Mean fECV was significantly higher in ICCs (43.8% ± 13.2%) than that in HCCs (31.6% ± 9.0%, p < 0.001). The area under the curve for differentiating ICC from HCC was 0.763 when the cutoff value of fECV was 41.5%. The multivariate analysis identified fECV (unit OR: 1.10; 95% CI: 1.01-1.21; p < 0.05), peripheral rim enhancement during the arterial phase (OR: 17.0; 95% CI: 1.29-225; p < 0.05), and absence of washout pattern (OR: 235; 95% CI: 14.03-3933; p < 0.001) as independent CT features for differentiating between the two tumor types. Conclusions A high value of fECV, peripheral rim enhancement during the arterial phase, and absence of washout pattern were independent factors in the differentiation of ICC from HCC.
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Affiliation(s)
- T. Honda
- Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - H. Onishi
- Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - H. Fukui
- Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - K. Yano
- Department of Radiology, Osaka Medical and Pharmaceutical University, Osaka, Japan
| | - K. Kiso
- Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - A. Nakamoto
- Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - T. Tsuboyama
- Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - T. Ota
- Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - M. Tatsumi
- Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - S. Tahara
- Department of Pathology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - S. Kobayashi
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - H. Eguchi
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - N. Tomiyama
- Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
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Moazzam Z, Alaimo L, Endo Y, Lima HA, Pawlik TM. Predictors, Patterns, and Impact of Adequate Lymphadenectomy in Intrahepatic Cholangiocarcinoma. Ann Surg Oncol 2023; 30:1966-1977. [PMID: 36622527 DOI: 10.1245/s10434-022-13044-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 11/16/2022] [Indexed: 01/10/2023]
Abstract
INTRODUCTION Despite lymph node metastases (LNMs) being associated with worse survival, adequate lymph node evaluation (LNE) has not been universally adopted for intrahepatic cholangiocarcinoma (ICC). We sought to evaluate trends in LNE, predictors of LNE and LNM, as well as the role of adequate lymphadenectomy in stratifying patients relative to survival. METHODS Patients who underwent curative-intent liver resection for ICC (2010-2019) were identified from the National Cancer Database and stratified according to LNE: 0, 1-5 (inadequate lymphadenectomy) and ≥6 (adequate lymphadenectomy). Multivariate logistic regression was utilized to assess predictors of LNE and LNM. Overall survival and receipt of adequate lymphadenectomy were assessed relative to LNM and log-odds of lymph nodes (LODDS). RESULTS Among 6507 patients, adequate lymphadenectomy was performed in only 1118 (17.2%) patients, although compliance with adequate lymphadenectomy increased over time (2010-2012: 14.2% vs. 2016-2019: 18.9%; p < 0.001). After controlling for relevant factors, region (reference: Northeast; Midwest: odds ratio [OR] 1.90, 95% confidence interval [CI] 1.48-2.44; South: OR 1.64, 95% CI 1.28-2.10; West: OR 1.83, 95% CI 1.37-2.44) and preoperative nodal status (reference: cN0; cNx: OR 2.18, 95% CI 1.68-2.95; cN1: OR 3.88, 95% CI 3.02-4.98) strongly predicted adequate lymphadenectomy. Furthermore, adequate lymphadenectomy resulted in higher odds of detecting ≥1 LNMs (OR 2.63, 95% CI 2.25-3.08), regardless of preoperative nodal status. Adequate lymphadenectomy demonstrated an improved ability to stratify patients relative to 5-year survival based on LNM (N0: 51.3% vs. N1: 30.6% vs. N2: 13.7%; p < 0.001) and LODDS (LODDS1: 50.7% vs. LODDS2: 27.4% vs. LODDS3: 15.7%; p < 0.001). CONCLUSIONS Compliance with adequate lymphadenectomy at the time of surgery for ICC remains suboptimal with marked regional variations. Adequate lymphadenectomy was associated with higher odds of detecting LNM and improved survival stratification relative to both LNM and LODDS. Greater emphasis on nodal evaluation is required to ensure optimal management of ICC.
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Affiliation(s)
- Zorays Moazzam
- Department of Surgery, The Ohio State University Wexner Medical Center and James Comprehensive Cancer Center, The Urban Meyer III and Shelley Meyer Chair for Cancer Research, Columbus, OH, USA
| | - Laura Alaimo
- Department of Surgery, The Ohio State University Wexner Medical Center and James Comprehensive Cancer Center, The Urban Meyer III and Shelley Meyer Chair for Cancer Research, Columbus, OH, USA
| | - Yutaka Endo
- Department of Surgery, The Ohio State University Wexner Medical Center and James Comprehensive Cancer Center, The Urban Meyer III and Shelley Meyer Chair for Cancer Research, Columbus, OH, USA
| | - Henrique A Lima
- Department of Surgery, The Ohio State University Wexner Medical Center and James Comprehensive Cancer Center, The Urban Meyer III and Shelley Meyer Chair for Cancer Research, Columbus, OH, USA
| | - Timothy M Pawlik
- Department of Surgery, The Ohio State University Wexner Medical Center and James Comprehensive Cancer Center, The Urban Meyer III and Shelley Meyer Chair for Cancer Research, Columbus, OH, USA.
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Laparoscopic versus open hepatectomy for intrahepatic cholangiocarcinoma in patients aged 60 and older: a retrospective cohort study. World J Surg Oncol 2022; 20:396. [PMID: 36510298 PMCID: PMC9746004 DOI: 10.1186/s12957-022-02870-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 12/04/2022] [Indexed: 12/15/2022] Open
Abstract
Objective laparoscopic surgical excision is the recommended treatment for liver cancers, yet its benefits in patients aged 60 and older remain poorly understood. Thus, this study evaluated the feasibility, safety, and clinical outcomes of laparoscopic hepatectomy for patients aged 60 and older with intrahepatic cholangiocarcinoma (ICC).MethodsAfter screening, 107 patients who underwent hepatectomy for ICC were enrolled and grouped into either laparoscopic (LH) or open hepatectomy (OH) groups. Baseline characteristics, pathological findings, and long-term outcomes were compared between the two groups. Independent prognostic factors for overall survival (OS) and disease-free survival (DFS) were identified using univariate and multivariate analyses.ResultsAmong baseline characteristics and pathological findings, only pre-operative albumin was higher in the LH group. The LH group had more favorable short-term outcomes such as incision length, level of postoperative total bilirubin, and length of postoperative stays than the OH group. The postoperative complication, lymph node dissection and R0 resection rate, and long-term outcomes including OS and DFS were not significantly different between the two groups. Cancer Antigen-19-9(CA-19-9) and pathological differentiation were independent prognostic factors for OS, whereas CA-19-9 and neutrophil count were independent prognostic factors for DFS.ConclusionLH is safe, reliable, and feasible for treatment of ICC patients aged 60 and older as it had better short-term clinical outcomes than OH and achieved long-term prognoses that were comparable to those of OH.
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10
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Li F, Jiang Y, Jiang L, Li Q, Yan X, Huang S, Chen J, Yuan S, Fu Y, Liu J. Effect of lymph node resection on prognosis of resectable intrahepatic cholangiocarcinoma: A systematic review and meta-analysis. Front Oncol 2022; 12:957792. [PMID: 36237310 PMCID: PMC9552707 DOI: 10.3389/fonc.2022.957792] [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: 05/31/2022] [Accepted: 09/09/2022] [Indexed: 11/23/2022] Open
Abstract
Background The purpose of this meta-analysis was to evaluate the efficacy of lymph node dissection in patients with intrahepatic cholangiocarcinoma (ICC). Methods The literature from January 2009 to December 2021 was searched to determine the comparative study of lymph node dissection and non-lymph node dissection in patients with ICC. Results Seventeen studies were included in the analysis. There were no significant differences in 1-, 3-, and 5-year overall survival (OR = 0.80, p = 0.10; OR = 0.93, p = 0.71; OR = 0.80, p = 0.21) and 1-, 3-, and 5-year disease-free survival (OR = 0.89, p = 0.73; OR = 0.92, p = 0.81; OR = 0.85, p = 0.62). Conclusions Lymph node dissection does not seem to have a positive effect on the overall survival and disease-free survival.
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Affiliation(s)
- Feiyu Li
- Shandong Provincial Hospital, Shandong University, Jinan, China
| | - Yong Jiang
- Shandong Provincial Hospital, Shandong University, Jinan, China
| | - Liyong Jiang
- Shandong Provincial Hospital, Shandong University, Jinan, China
| | - Qingbin Li
- Shandong Provincial Hospital, Shandong First Medical University, Jinan, China
| | - Xiangyu Yan
- Shandong Provincial Hospital, Shandong University, Jinan, China
| | - Songhan Huang
- Shandong Provincial Hospital, Shandong University, Jinan, China
| | - Ji Chen
- Shandong Provincial Hospital, Shandong First Medical University, Jinan, China
| | - Shuai Yuan
- Shandong Provincial Hospital, Shandong First Medical University, Jinan, China
| | - Yingda Fu
- Shandong Provincial Hospital, Shandong University, Jinan, China
| | - Jun Liu
- Shandong Provincial Hospital, Shandong University, Jinan, China
- *Correspondence: Jun Liu,
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11
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Li X, Jiang Z, Wu Y, Gong W, Liao X, Li X. Case report: Conversion therapy for advanced intrahepatic cholangiocarcinoma using PD-1 inhibitor plus S-1 and nab-paclitaxel. Front Oncol 2022; 12:935817. [PMID: 35965578 PMCID: PMC9366243 DOI: 10.3389/fonc.2022.935817] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 07/04/2022] [Indexed: 12/21/2022] Open
Abstract
Intrahepatic cholangiocarcinoma (iCCA) is a highly malignant hepatobiliary tumor with a high rate of advanced disease at initial presentation. Conversion into resectable iCCA is important for improving the prognosis. Immunotherapy-based regimens are being increasingly used for treating advanced iCCA in recent years. However, the use of combined chemotherapy and immunotherapy for conversion has rarely been reported. The aim of this report was to present the outcomes of a 52-year-old female patient with IIIB iCCA. The patient was treated with a programmed cell death protein-1 inhibitor plus S-1 and nab-paclitaxel. The postoperative histopathological results indicated pathologic complete response after six cycles of systematic treatment. The patient is currently disease-free for one year.
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Affiliation(s)
- Xiaocheng Li
- Department of General Surgery, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Zhiyang Jiang
- Department of General Surgery, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
- School of Medicine, Wuhan University of Science and Technology, Wuhan, China
| | - Yongjuan Wu
- Department of Interventional Radiology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Wei Gong
- Department of Oncology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
- Institute of Oncology; XiangYang Central Hospital, Hubei University of Arts and Science, Xiangyang, China
| | - Xiaofeng Liao
- Department of General Surgery, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
- Institute of Oncology; XiangYang Central Hospital, Hubei University of Arts and Science, Xiangyang, China
| | - Xiaogang Li
- Department of General Surgery, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
- Institute of Oncology; XiangYang Central Hospital, Hubei University of Arts and Science, Xiangyang, China
- *Correspondence: Xiaogang Li,
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12
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Li H, Liu R, Qiu H, Huang Y, Liu W, Li J, Wu H, Wang G, Li D. Tumor Burden Score Stratifies Prognosis of Patients With Intrahepatic Cholangiocarcinoma After Hepatic Resection: A Retrospective, Multi-Institutional Study. Front Oncol 2022; 12:829407. [PMID: 35330712 PMCID: PMC8940520 DOI: 10.3389/fonc.2022.829407] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 02/07/2022] [Indexed: 02/05/2023] Open
Abstract
Background The prognostic significance of tumor burden score (TBS) on patients who underwent curative-intent resection of intrahepatic cholangiocarcinoma (ICC) has not been evaluated. The present study aimed to investigate the impact of TBS and its synergistic effect with CA19-9 (combination of TBS and CA19-9, CTC grade) on long-term outcomes. Methods Patients who underwent radical resection of ICC between 2009 and 2017 were retrospectively identified from a multi-center database. The overall survival (OS) and recurrence-free survival (RFS) were examined in relation to TBS, serum preoperative CA19-9, and CTC grade. Results A total of 650 patients were included in our study (509 in the derivation cohort and 141 in the validation cohort). Kaplan–Meier curves showed that both TBS and CA19-9 levels were strong predictors of survival outcomes. Patients with elevated TBS grade or elevated CA19-9 were associated with worse OS and RFS (both p < 0.001). As expected, CTC grade also performed well in predicting long-term outcomes. Patients with low TBS/low CA19-9 (CTC grade 1) were associated with the best OS as well as RFS, while high TBS/high CA19-9 (CTC grade 3) correlated to the worst outcomes. In the validation cohort, TBS grade, preoperative CA19-9, and CTC grade also stratified prognosis among patients (p < 0.001 for each). Conclusions Both tumor morphology (tumor burden) and tumor-specific biomarker (serum CA19-9) were important when evaluating prognosis of patients with resectable ICC. Serum CA19-9 and TBS showed a synergistic effect on prognostic evaluation. CTC grade was a promising tool in stratifying prognosis of ICC patients after curative resection.
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Affiliation(s)
- Hui Li
- Department of Hepatobiliary Pancreatic Tumor Center, Chongqing University Cancer Hospital, School of Medicine, Chongqing University, Chongqing, China
| | - Rongqiang Liu
- Department of Hepatobiliary Pancreatic Tumor Center, Chongqing University Cancer Hospital, School of Medicine, Chongqing University, Chongqing, China
| | - Haizhou Qiu
- Department of Liver Surgery & Liver Transplantation, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yang Huang
- Department of Liver Surgery & Liver Transplantation, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Wenbin Liu
- Department of Hepatobiliary Pancreatic Tumor Center, Chongqing University Cancer Hospital, School of Medicine, Chongqing University, Chongqing, China
| | - Jiaxin Li
- Department of Liver Surgery & Liver Transplantation, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Hong Wu
- Department of Liver Surgery & Liver Transplantation, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Genshu Wang
- Department of Hepatic Surgery and Liver Transplantation Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Dewei Li
- Department of Hepatobiliary Pancreatic Tumor Center, Chongqing University Cancer Hospital, School of Medicine, Chongqing University, Chongqing, China
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13
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Chen X, Rong D, Zhang L, Ni C, Han G, Lu Y, Chen X, Gao Y, Wang X. Evaluation of nodal status in intrahepatic cholangiocarcinoma: a population-based study. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:1359. [PMID: 34733911 PMCID: PMC8506549 DOI: 10.21037/atm-21-2785] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 07/22/2021] [Indexed: 12/13/2022]
Abstract
Background Lymph node metastasis (LNM) is a well-established prognostic factor for intrahepatic cholangiocarcinoma (ICC), but there are still some controversies relating to the evaluation of nodal status. Therefore, we investigated the role of lymph node dissection (LND), compared the prognostic performances of different nodal staging systems, and then developed and validated a nomogram to predict cancer-specific survival (CSS) of ICC patients. Methods The study cohort was taken from the Surveillance, Epidemiology, and End Results database. Akaike information criterion, Bayesian information criterion, Harrell's C-index and area under the receiver operating characteristic curves were calculated to evaluate the different staging models. The nomogram for the CSS was constructed based on Cox regression models and validated by calibration curves. Decision curve analysis was introduced to examine the clinical value of the models. Results A total of 664 patients were enrolled, and 331 (51.4%) patients underwent LND. An increasing number of lymph nodes retrieved showed no oncologic benefit (P=0.876). LNM was identified in 103 (31.1%) patients, which was the cause of their poor prognoses (5-yr CSS 13.1% versus 44.9%, P<0.001). Patients without LNM could not benefit from adjuvant therapy after propensity score matching (P=0.140). Based on the Youden index, 4 or more lymph nodes retrieved might be adequate for accurate staging. The lymph node ratio (LNR) classification, with an optimal cut-off value of 0.15, displayed the best prognostic performance. Age, size, tumor number, T Stage, grade and the LNR classification were independent predictive factors for the CSS in ICC patients. The nomogram for predicting the CSS of ICC patients according to the independent factors was well calibrated and it showed better discrimination power and higher net benefits than the American Joint Committee on Cancer (8th edition) staging system. Conclusions LNM is an independent prognostic factor in ICC. Although it shows no oncologic benefits, LND should still be considered as a method of stratifying patients, with 4 or more lymph nodes retrieved potentially enough to do so. LNR appears to be a promising and easy-to-use prognosticator for nodal staging. The constructed nomogram could serve as an effective tool to predict the CSS probabilities of ICC patients.
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Affiliation(s)
- Xiaoyuan Chen
- School of Medicine, Southeast University, Nanjing, China.,Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, Nanjing, China.,NHC Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, China
| | - Dawei Rong
- School of Medicine, Southeast University, Nanjing, China.,Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, Nanjing, China.,NHC Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, China
| | - Long Zhang
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, Nanjing, China.,NHC Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, China
| | - Chuangye Ni
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, Nanjing, China.,NHC Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, China
| | - Guoyong Han
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, Nanjing, China.,NHC Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, China
| | - Yiwei Lu
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, Nanjing, China.,NHC Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, China
| | - Xuejiao Chen
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, Nanjing, China.,NHC Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, China
| | - Yun Gao
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, Nanjing, China.,NHC Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, China
| | - Xuehao Wang
- School of Medicine, Southeast University, Nanjing, China.,Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, Nanjing, China.,NHC Key Laboratory of Living Donor Liver Transplantation (Nanjing Medical University), Nanjing, China
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