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Liu Y, Tang T, Wang C, Wang C, Zhu D. Analysis of the incidence and influencing factors of abdominal distension in postoperative lung cancer patients in ICU based on real-world data: a retrospective cohort study. BMC Surg 2024; 24:26. [PMID: 38238695 PMCID: PMC10795388 DOI: 10.1186/s12893-024-02317-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 01/08/2024] [Indexed: 01/22/2024] Open
Abstract
BACKGROUND Abdominal distension is a relatively common complication in postoperative lung cancer patients, which affects patients' early postoperative recovery to varying degrees. However, the current status of the incidence of abdominal distension in postoperative lung cancer patients and the affecting factors are not well understood. This study aims at exploring the incidence of abdominal distension in postoperative lung cancer patients in ICU based on real-world data and analyzing its influencing factors. METHODS A retrospective cohort study was conducted, encompassing patients who underwent lung cancer resections in the Lung Cancer Center of West China Hospital of Sichuan University from April 2020 to April 2021. Nevertheless, patients younger than 18 years and those whose information was limited in medical records were excluded. All data were obtained from the hospital HIS system. In this study, the influencing factors of abdominal distension were analyzed by univariate analysis and multiple logistic regression methods. RESULTS A total of 1317 patients met eligibility criteria, and were divided into the abdominal distended group and the non-distended group according to whether abdominal distension occurred after surgery. Abdominal distension occurred in a total of 182 cases(13.8%). The results of the univariate analysis showed that, compared with the non-distended group, the abdominal distended group had these features as follows: more women (P = 0.021), older (P = 0.000), lower BMI (P = 0.000), longer operation duration (P = 0.031), more patients with open thoracotomy (P = 0.000), more patients with pneumonectomy (p = 0.002), more patients with neoadjuvant chemotherapy (P = 0.000), more days of hospitalization on average (P = 0.000), and higher costs of hospitalization on average (P = 0.032). Multifactor logistic regression analysis showed that sex (OR = 0.526; 95% CI = 0.378 ~0.731), age (OR = 1.154; 95%CI = 1.022 ~1.304) and surgical approach (OR = 4.010; 95%CI = 2.781 ~5.781) were independent influencing factors for the occurrence of abdominal distension in patients after lung cancer surgery in ICU. CONCLUSIONS The incidence of abdominal distension was high in postoperative lung cancer patients in ICU, and female, older and patients with open thoracotomy were more likely to experience abdominal distension. TRIAL REGISTRATION The study was approved by the Chinese Clinical Trials Registry (registration number was ChiCTR2200061370).
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Affiliation(s)
- Yan Liu
- Department of Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Tingting Tang
- Department of Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Chunyan Wang
- Department of Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Chunmei Wang
- Department of Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Daxing Zhu
- Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
- Lung Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
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Paradela de la Morena M, De La Torre Bravos M, Fernandez Prado R, Minasyan A, Garcia-Perez A, Fernandez-Vago L, Gonzalez-Rivas D. Standardized surgical technique for uniportal video-assisted thoracoscopic lobectomy. Eur J Cardiothorac Surg 2020; 58:i23-i33. [PMID: 32449910 DOI: 10.1093/ejcts/ezaa110] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 01/09/2020] [Accepted: 02/04/2020] [Indexed: 12/13/2022] Open
Abstract
SUMMARY Uniportal video-assisted thoracoscopic surgery may be the approach for any thoracic procedure, from minor resections to complex reconstructive surgery. However, anatomical lobectomy represents its most common and clinically proven usage. A wide variety of information about uniportal video-assisted thoracoscopic lobectomies can be found in the literature and multimedia sources. This article focuses on updating the surgical technique and includes important aspects such as the geometric approach, anaesthesia considerations, operating room set-up, tips about the incision, instrumentation management and the operative technique to perform the 5 lobectomies. The following issues are explained for each lobectomy: anatomical considerations, surgical steps and technical advice. Medical illustrations and videos are included to clarify the text with the goal of describing a standard surgical practice.
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Affiliation(s)
| | | | - Ricardo Fernandez Prado
- Department of Thoracic Surgery and Lung Transplant, Coruña University Hospital, A Coruña, Spain
| | - Anna Minasyan
- Department of Thoracic Surgery and Lung Transplant, Coruña University Hospital, A Coruña, Spain
| | - Alejandro Garcia-Perez
- Department of Thoracic Surgery and Lung Transplant, Coruña University Hospital, A Coruña, Spain
| | - Luis Fernandez-Vago
- Department of Thoracic Surgery and Lung Transplant, Coruña University Hospital, A Coruña, Spain
| | - Diego Gonzalez-Rivas
- Department of Thoracic Surgery and Lung Transplant, Coruña University Hospital, A Coruña, Spain.,Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
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Zhang J, Zhao H, Lv L, Yuan J, Sun Y. Uniportal thoracoscopic pulmonary lobectomy in the treatment of Lung Cancer. Pak J Med Sci 2020; 36:182-186. [PMID: 32063956 PMCID: PMC6994905 DOI: 10.12669/pjms.36.2.793] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 11/09/2019] [Accepted: 11/11/2019] [Indexed: 01/04/2023] Open
Abstract
OBJECTIVE To investigate the clinical efficacy of uniportal thoracoscopic pulmonary lobectomy in the treatment of lung cancer. METHODS One hundred and ten patients with lung cancer who were admitted to our hospital from February 2017 to June 2018 were enrolled and they were divided into the control group (55 patients) and observation group (55 patients) according to the random number table method. The patients in the observation group received uniportal thoracoscopic pulmonary lobectomy, and patients in the control group underwent triportal thoracoscopic pulmonary lobectomy. The surgical condition, postoperative pulmonary functions, postoperative complication incidence, and postoperative quality of life were compared between the two groups. RESULTS The intraoperative blood loss and number of dissected lymph nodes of the observation group were (125.31±12.63) mL and (13.91±2.41) respectively, which were not significantly different with (127.54±13.60) mL and (13.96±2.69) of the control group (P>0.05). The incision length of the observation group was (4.22±0.31) cm, shorter than (6.97±0.42) cm of the control group, the postoperative pain score was (2.87±0.69) points, lower than (4.31±1.09) points of the control group, and the operation time was (195.21±19.42) minutes, longer than (162.68±18.52) min of the control group; the differences were significantly different (P<0.05). The postoperative forced vital capacity (FVC), Maximum Ventilatory Volume (MVV) and Forced Expiratory Volume in 1s (FEV1) in the observation group were (1.90±0.75) L, (54.59±16.03) L/minutes and (1.60±0.53) L respectively, larger than (1.06±0.28) L, (38.41±15.59) L/min and (1.02±0.15) L respectively (P<0.05). The scores of Short Form 36-item Health Survey (SF-36) of patients in the observation group was observed one month after surgery, significantly higher than those in the control group, and the difference was statistically significant (P<0.05). The incidence of complications of the postoperative complication of the observation group was 12.7%, which was not significantly different with 14.5% of the control group (P>0.05). CONCLUSION Patients who receive uniportal video-assisted thoracoscopic pulmonary lobectomy have milder trauma, which is beneficial to the lung functions and postoperative recovery. Moreover, the number of dissected lymph nodes in uniportal thoracoscopic pulmonary lobectomy is equivalent with that in triportal thoracoscopic pulmonary lobectomy. Hence it is worth clinical promotion.
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Affiliation(s)
- Jinying Zhang
- Jinying Zhang, Department of Cardiothoracic Surgery (B), Binzhou People’s Hospital, Shandong, 256610, China
| | - Haixia Zhao
- Haixia Zhao, Department of Breast Surgery, Binzhou People’s Hospital, Shandong, 256610, China
| | - Lingmei Lv
- Lingmei Lv, Department of Neurology (B), Binzhou People’s Hospital, Shandong, 256610, China
| | - Jiang Yuan
- Jiang Yuan, Department of Cardiothoracic Surgery (B), Binzhou People’s Hospital, Shandong, 256610, China
| | - Yuzhen Sun
- Yuzhen Sun, Department of Neurosurgery (A), Binzhou People’s Hospital, Shandong, 256610, China
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Venkitaraman B, Lei J, Liang W, Jianqiao C. Uniportal video-assisted thoracoscopy surgery in lung cancer: largest experience. Asian Cardiovasc Thorac Ann 2019; 27:559-564. [PMID: 31407931 DOI: 10.1177/0218492319868651] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Uniportal video-assisted thoracoscopic surgery is one of the latest development in minimal invasive thoracic surgery. It is being increasing applied in various parts of the world for the treatment of lung cancer. Although the technique has become popular, there is a lack of largescale literature addressing the safety and oncological outcomes. We aimed to describe our experience, highlighting the short-term outcomes and oncological efficacy. Methods From July 2013 to December 2017, 441 uniportal video-assisted thoracoscopic procedures were carried out in patients with primary lung cancer and no metastatic disease. The male-to-female ratio was 240:201. The median age of the patients was 63 years (range10 to 85 years). Results The median number of mediastinal lymph node stations dissected and median number of mediastinal nodes were 5 and 14, respectively. Ten or more nodes were dissected in 93.1% of patients. All surgeries were complete R0 resection. Minor postoperative morbidity according to the Clavien-Dindo classification was 4%. Seven patients experienced major morbidity requiring intensive care management. There was no 30-day mortality. Conclusion Uniportal video-assisted thoracoscopic anatomical resection for lung cancer appears to have similar postoperative outcomes to multiport surgery in terms of short-term morbidity and oncological efficacy. Uniportal video-assisted thoracoscopic surgery can be offered as a standard of care for lung cancer surgery in centers with adequate surgical expertise. Long-term follow-up will be needed to establish the long-term oncological outcomes.
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Affiliation(s)
- Balasubramanian Venkitaraman
- 1 Department of Thoracic Surgery Shanghai Pulmonary Hospital, Shanghai, China.,2 Department of Surgical Oncology, Sri Ramachandra Institute of Higher Education and Research, Chennai, India
| | - Jiang Lei
- 1 Department of Thoracic Surgery Shanghai Pulmonary Hospital, Shanghai, China
| | - Wu Liang
- 1 Department of Thoracic Surgery Shanghai Pulmonary Hospital, Shanghai, China
| | - Cai Jianqiao
- 1 Department of Thoracic Surgery Shanghai Pulmonary Hospital, Shanghai, China
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Ng CS, MacDonald JK, Gilbert S, Khan AZ, Kim YT, Louie BE, Blair Marshall M, Santos RS, Scarci M, Shargal Y, Fernando HC. Optimal Approach to Lobectomy for Non-Small Cell Lung Cancer: Systemic Review and Meta-Analysis. INNOVATIONS-TECHNOLOGY AND TECHNIQUES IN CARDIOTHORACIC AND VASCULAR SURGERY 2019; 14:90-116. [DOI: 10.1177/1556984519837027] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Objective Video-assisted thoracic surgery (VATS) lobectomy was introduced over 25 years ago. More recently, the technique has been modified from a multiport video-assisted thoracic surgery (mVATS) to uniportal (uVATS) and robotic (rVATS), with proponents for each approach. Additionally most lobectomies are still performed using an open approach. We sought to provide evidence-based recommendations to help define the optimal surgical approach to lobectomy for early stage non-small cell lung cancer. Methods Systematic review and meta-analysis of articles searched without limits from January 2000 to January 2018 comparing open, mVATS, uVATS, and rVATS using sources Medline, Embase, and Cochrane Library were considered for inclusion. Articles were individually scrutinized by ISMICS consensus conference members, and evidence-based statements were created and consensus processes were used to determine the ensuing recommendations. The ACC/AHA Clinical Practice Guideline Recommendation Classification system was used to assess the overall quality of evidence and the strength of recommendations. Results and recommendations One hundred and forty-five studies met the predefined inclusion criteria and were included in the meta-analysis. Comparisons were analyzed between VATS and open, and between different VATS approaches looking at oncological outcomes (survival, recurrence, lymph node evaluation), safety (adverse events), function (pain, quality of life, pulmonary function), and cost-effectiveness. Fifteen statements addressing these areas achieved consensus. The highest level of evidence suggested that mVATS is preferable to open lobectomy with lower adverse events (36% versus 42%; 88,460 patients) and less pain (IIa recommendation). Our meta-analysis suggested that overall survival was better (IIb) with mVATS compared with open (71.5% versus 66.7% 5-years; 16,200 patients). Different VATS approaches were similar for most outcomes, although uVATS may be associated with less pain and analgesic requirements (IIb). Conclusions This meta-analysis supports the role of VATS lobectomy for non-small cell lung cancer. Apart from potentially less pain and analgesic requirement with uVATS, different minimally invasive surgical approaches appear to have similar outcomes.
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Affiliation(s)
| | | | | | | | - Young T. Kim
- Seoul National University Hospital, Chongro-Ku, South Korea
| | - Brian E. Louie
- Swedish Cancer Institute and Medical Center, Seattle, WA, USA
| | | | | | | | - Yaron Shargal
- St Joseph’s Healthcare, MacMaster University, Hamilton, ON, Canada
| | - Hiran C. Fernando
- Inova Fairfax Medical Campus, Virginia Commonwealth University, Falls Church, Richmond, VA, USA
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X-ray irradiation induced Disabled-2 gene promoter de-methylation enhances radiosensitivity of non-small-cell lung carcinoma cells. J Exp Clin Cancer Res 2018; 37:315. [PMID: 30547821 PMCID: PMC6295092 DOI: 10.1186/s13046-018-1000-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Accepted: 12/06/2018] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Disabled-2 (Dab2) is known as a tumor suppressor as well as a Wnt pathway inhibitor. We previously reported that Dab2 was down-regulated due to gene promoter hypermethylation in lung cancer. Here, we aim to study if X-ray irradiation can induce de-methylation of the Dab2 gene and subsequently up-regulate its expression, and also to attempt to suppress the malignant biological behavior of and enhance the radiosensitivity in lung cancer cells with hypermethylation of the Dab2 gene. METHODS Immunostaining was performed to investigate the relationship between Dab2 expression and lung cancer clinicopathological characteristics. Bisulfite sequencing PCR (BSP) was used to evaluate the methylation status of lung cancer cells with or without X-ray treatment. Real-time PCR and western Blot were performed to investigate the expression of Dab2, Wnt pathway factors, DNMTs and methyl CpG binding protein 2 (MeCP2). Colony Formation, matrigel invasion and xenograft experiment were performed to evaluate the malignant biological behavior of lung cancer cells with irradiation. RESULTS The result of immunostaining of Dab2 in lung cancer tissues showed that decreased Dab2 expression was positively correlated with poor differentiation, lymph node metastasis, advanced TNM stage and poor prognosis. X-ray treatment significantly up-regulated Dab2 expression and inhibited Wnt factors in LK2 cells (with hypermethylation of the Dab2 gene promoter, P < 0.05), but not in SPC-A-1 cells (with hypomethylation of the Dab2 gene promoter); however, the effect could be reversed by Dab2 or Axin knockdown (P < 0.05). Decreased expression of DNMT1, DNMT3b and MeCP2 could be detected in both LK2 and SPC-A-1 cells compared to non-irradiated cells (P < 0.05). Both in vitro studies and in vivo xenograft tumor growth demonstrated that X-ray could significantly inhibit the proliferation and invasion of LK2 but not SPC-A-1 cells (P < 0.05). CONCLUSION In general, X-ray-induced up-regulation of Dab2 and inhibition of the Wnt pathway may be mediated by de-methylation of a hypermethylated Dab2 gene promoter. X-ray treatment significantly inhibits proliferation and invasion of lung cancer cells with hypermethylation of the Dab2 gene promoter, but is less effective in lung cancer cells with hypomethylation of the Dab2 gene promoter. These results indicate that the methylation status of the Dab2 gene promoter might be a potential predictor of the radiosensitivity of lung cancer cells.
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Zhang W, Wei Y, Jiang H, Xu J, Yu D. Thoracotomy is better than thoracoscopic lobectomy in the lymph node dissection of lung cancer: a systematic review and meta-analysis. World J Surg Oncol 2016; 14:290. [PMID: 27855709 PMCID: PMC5114806 DOI: 10.1186/s12957-016-1038-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Accepted: 11/04/2016] [Indexed: 01/20/2023] Open
Abstract
Background The aim of this study was to investigate which surgical method is better in lymph node (LN) dissection of lung cancer. Methods A comprehensive search of PubMed, Ovid MEDLINE, EMBASE, Web of Science, ScienceDirect, the Cochrane Library, Scopus, and Google Scholar was performed to identify studies comparing thoracoscopic lobectomy (video-assisted thoracic surgery (VATS) group) and thoracotomy (open group) in LN dissection. Results Twenty-nine articles met the inclusion criteria and involved 2763 patients in the VATS group and 3484 patients in the open group. The meta-analysis showed that fewer total LNs (95% confidence interval [CI] −1.52 to −0.73, p < 0.0001) and N2 LNs (95% CI −1.25 to −0.10, p = 0.02) were dissected in the VATS group. A similar number of total LN stations, N2 LN stations, and N1 LNs were harvested in both groups. Only one study reported that fewer N1 LN stations were dissected in the VATS group (1.4 ± 0.5 vs. 1.6 ± 0.6, p = 0.04). Conclusions Open lobectomy could achieve better LN dissection efficacy than thoracoscopic lobectomy in the treatment of lung cancer, especially in the N2 LNs dissection. These findings require validation by high-quality, large-scale randomized controlled trials.
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Affiliation(s)
- Wenxiong Zhang
- Department of Cardiothoracic surgery, The second affiliated hospital of Nanchang University, 1 Minde Rd, Nanchang, Jiangxi Province, 330006, China
| | - Yiping Wei
- Department of Cardiothoracic surgery, The second affiliated hospital of Nanchang University, 1 Minde Rd, Nanchang, Jiangxi Province, 330006, China
| | - Han Jiang
- Department of Cardiothoracic surgery, The second affiliated hospital of Nanchang University, 1 Minde Rd, Nanchang, Jiangxi Province, 330006, China
| | - Jianjun Xu
- Department of Cardiothoracic surgery, The second affiliated hospital of Nanchang University, 1 Minde Rd, Nanchang, Jiangxi Province, 330006, China
| | - Dongliang Yu
- Department of Cardiothoracic surgery, The second affiliated hospital of Nanchang University, 1 Minde Rd, Nanchang, Jiangxi Province, 330006, China.
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Aberrant Hypermethylation at Sites -86 to 226 of DAB2 Gene in Non-Small Cell Lung Cancer. Am J Med Sci 2015; 349:425-31. [DOI: 10.1097/maj.0000000000000436] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Chen T, Xu C, Chen J, Ding C, Xu Z, Li C, Zhao J. MicroRNA-203 inhibits cellular proliferation and invasion by targeting Bmi1 in non-small cell lung cancer. Oncol Lett 2015; 9:2639-2646. [PMID: 26137120 DOI: 10.3892/ol.2015.3080] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2014] [Accepted: 03/03/2015] [Indexed: 12/11/2022] Open
Abstract
MicroRNAs are proposed to serve vital functions in the regulation of tumor progression and invasion. However, the expression levels of miR-203 in non-small cell lung cancer (NSCLC) and its clinical significance remain unknown. In the present study, the association between B-cell-specific moloney murine leukemia virus insertion site 1 (Bmi1) and miR-203 was investigated. miR-203 was demonstrated to act as a tumor suppressor by regulating the expression of Bmi1. miR-203 expression levels were downregulated in NSCLC tissues while Bmi1 expression was upregulated in NSCLC tissues and cell lines. Furthermore, downregulated Bmi1 or enhanced miR-203 expression inhibited NSCLC cell proliferation and invasion in vitro. In addition, a dual-luciferase reporter assay was performed, which identified Bmi1 as a novel target of miR-203. In conclusion, the present study demonstrated that miR-203 functions as a tumor suppressor and is important in inhibiting the proliferation of NSCLC cells through targeting Bmi1. These findings indicate that miR-203 may be useful as a novel potential therapeutic target for NSCLC.
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Affiliation(s)
- Tengfei Chen
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Soochow University, Medical College of Soochow University, Suzhou, Jiangsu 215006, P.R. China ; Suzhou Key Laboratory for Molecular Cancer Genetics, Suzhou, Jiangsu 215123, P.R. China
| | - Chun Xu
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Soochow University, Medical College of Soochow University, Suzhou, Jiangsu 215006, P.R. China ; Suzhou Key Laboratory for Molecular Cancer Genetics, Suzhou, Jiangsu 215123, P.R. China
| | - Jun Chen
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Soochow University, Medical College of Soochow University, Suzhou, Jiangsu 215006, P.R. China ; Suzhou Key Laboratory for Molecular Cancer Genetics, Suzhou, Jiangsu 215123, P.R. China
| | - Cheng Ding
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Soochow University, Medical College of Soochow University, Suzhou, Jiangsu 215006, P.R. China ; Suzhou Key Laboratory for Molecular Cancer Genetics, Suzhou, Jiangsu 215123, P.R. China
| | - Zhenlei Xu
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Soochow University, Medical College of Soochow University, Suzhou, Jiangsu 215006, P.R. China ; Suzhou Key Laboratory for Molecular Cancer Genetics, Suzhou, Jiangsu 215123, P.R. China
| | - Chang Li
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Soochow University, Medical College of Soochow University, Suzhou, Jiangsu 215006, P.R. China ; Suzhou Key Laboratory for Molecular Cancer Genetics, Suzhou, Jiangsu 215123, P.R. China
| | - Jun Zhao
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Soochow University, Medical College of Soochow University, Suzhou, Jiangsu 215006, P.R. China ; Suzhou Key Laboratory for Molecular Cancer Genetics, Suzhou, Jiangsu 215123, P.R. China
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