One- versus two-stage partial hepatectomy for large resectable solitary hepatocellular carcinomas determined preoperatively to have a narrow resection margin: a propensity score matching analysis.

"Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at https://hbsn.amegroups.com/article/view/10.21037/hbsn-20-711/coif). WYL serves as an unpaid editorial board member of Hepatobiliary Surgery and Nutrition. The other authors have no conflicts of interest to declare."

"Funding: This study was supported by: Science Fund for Creative Research Groups, NSFC, China (81521091); State Key Infection Disease Project of China (2018ZX10732202-002-005); Shanghai Rising Star Program (20QA1412000); National Natural Science Foundation of China (81702734); Natural Science Foundation of Shanghai Municipal Commission of Health and Family Planning (Y20170006, 2017Y0109)."

"This study was conducted in accordance with the Declaration of Helsinki (as revised in 2013). The study was reviewed and approved by the Ethics Committee of Eastern Hepatobiliary Surgery Hospital. The Ethics Number is EHBHKY2014-03-019. All patients enrolled in this study signed an informed consent. This study was registered with the Chinese Clinical Trials Registry (ChiCTR) website and the Registration Number was ChiCTR-IOC-14005646. Ethical Statement: The authors are accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. The study was conducted in accordance with the Declaration of Helsinki (as revised in 2013). This study was reviewed and approved by the Ethics Committee of Eastern Hepatobiliary Surgery Hospital. The Ethics Number is EHBHKY2014-03-019. All patients enrolled in this study signed an informed consent. This study was registered with the Chinese Clinical Trials Registry (ChiCTR) website and the Registration Number was ChiCTR-IOC-14005646."