BPG is committed to discovery and dissemination of knowledge
Open-Access Journal
Minireviews
Guergana Panayotova, Keri E Lunsford, Nyan L Latt, Flavio Paterno, James V Guarrera, Nikolaos Pyrsopoulos 
World J Gastrointest Surg 13(5):392-405. Published online May 27, 2021. doi: 10.4240/wjgs.v13.i5.392
Mahmoud Aldyab, Tony El Jabbour, Megan Parilla, Hwajeong Lee 
World J Gastrointest Surg 13(5):406-418. Published online May 27, 2021. doi: 10.4240/wjgs.v13.i5.406
Basic Study
Jian Feng, Hang-Yu Zhang, Li Yan, Zi-Man Zhu, Bin Liang, Peng-Fei Wang, Xiang-Qian Zhao, Yong-Liang Chen 
World J Gastrointest Surg 13(5):419-428. Published online May 27, 2021. doi: 10.4240/wjgs.v13.i5.419
Retrospective Cohort Study
Hao Cui, Jian-Xin Cui, Yu-Ning Wang, Bo Cao, Huan Deng, Ke-Cheng Zhang, Tian-Yu Xie, Wen-Quan Liang, Yi Liu, Lin Chen, Bo Wei 
World J Gastrointest Surg 13(5):429-442. Published online May 27, 2021. doi: 10.4240/wjgs.v13.i5.429
Retrospective Study
Jin Meng, Zhi-Tao Yin, Ying-Yi Zhang, Yong Zhang, Xiu Zhao, Qing Zhai, De-Yu Chen, Wei-Gang Yu, Lei Wang, Zhi-Gang Wang 
World J Gastrointest Surg 13(5):443-451. Published online May 27, 2021. doi: 10.4240/wjgs.v13.i5.443
Observational Study
Koji Nakada, Yoshiyuki Kawashima, Shinichi Kinami, Ryoji Fukushima, Hiroshi Yabusaki, Akiyoshi Seshimo, Naoki Hiki, Keisuke Koeda, Mikihiro Kano, Yoshikazu Uenosono, Atsushi Oshio, Yasuhiro Kodera 
World J Gastrointest Surg 13(5):461-475. Published online May 27, 2021. doi: 10.4240/wjgs.v13.i5.461
Chao-Wei Lee, Ming-Chin Yu, Chih-Chi Wang, Wei-Chen Lee, Hsin-I Tsai, Feng-Che Kuan, Chun-Wei Chen, Yi-Chung Hsieh, Hsing-Yu Chen 
World J Gastrointest Surg 13(5):476-492. Published online May 27, 2021. doi: 10.4240/wjgs.v13.i5.476
Meta-Analysis
Maria Vitória Cury Vieira Scatimburgo, Igor Braga Ribeiro, Diogo Turiani Hourneaux de Moura, Vitor Massaro Takamatsu Sagae, Bruno Salomão Hirsch, Mateus Bond Boghossian, Thomas R McCarty, Marcos Eduardo Lera dos Santos, Tomazo Antonio Prince Franzini, Wanderley Marques Bernardo, Eduardo Guimarães Hourneaux de Moura 
World J Gastrointest Surg 13(5):493-506. Published online May 27, 2021. doi: 10.4240/wjgs.v13.i5.493
Case Report
Kamleshsingh Shadhu, Dadhija Ramlagun-Mungur, Xiao-Chun Ping 
World J Gastrointest Surg 13(5):507-515. Published online May 27, 2021. doi: 10.4240/wjgs.v13.i5.507
Write to the Help Desk