Totally laparoscopic total gastrectomy using the modified overlap method and conventional open total gastrectomy: A comparative study
Chang Seok Ko, Nam Ryong Choi, Byung Sik Kim, Jeong Hwan Yook, Beom Su Kim, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, South Korea
Min-Ju Kim, Department of Clinical Epidemiology and Biostatistics, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, South Korea
Author contributions: Ko CS, Choi NR, Kim BS, Yook JH and Kim BS performed the literature search, conception and design, drafting of the article; Kim MJ performed the analysis and interpretation; all authors were involved in the critical revision and final approval of the article.
Institutional review board statement: This study was approved by the Institutional Review Board of the Asan Medical Center (approval No. 2019-0702).
Informed consent statement: Patients were not required to give informed consent for the study because the clinical data were obtained retrospectively after each patient agreed to treatment by written consent.
Conflict-of-interest statement: We have no financial relationships to disclose.
Data sharing statement: No additional data are available.
: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Beom Su Kim, MD, PhD, Professor, Surgeon, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro 43-gil, Songpa-gu, Seoul 05505, South Korea. firstname.lastname@example.org
Received: January 27, 2021
Peer-review started: January 27, 2021
First decision: March 7, 2021
Revised: March 21, 2021
Accepted: April 20, 2021
Article in press: April 20, 2021
Published online: May 14, 2021