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Open-Access Journal
Opinion Review
Minireviews
Giovanna Del Vecchio Blanco, Michelangela Mossa, Edoardo Troncone, Renato Argirò, Andrea Anderloni, Alessandro Repici, Omero Alessandro Paoluzi, Giovanni Monteleone 
World J Gastrointest Endosc 13(10):473-490. Published online Oct 16, 2021. doi: 10.4253/wjge.v13.i10.473
Retrospective Cohort Study
Hideaki Miyamoto, Hideaki Naoe, Jun Morinaga, Kensuke Sakisaka, Sayoko Tayama, Kenshi Matsuno, Ryosuke Gushima, Masakuni Tateyama, Takashi Shono, Masanori Imuta, Satoru Miyamaru, Daizo Murakami, Yorihisa Orita, Yasuhito Tanaka 
World J Gastrointest Endosc 13(10):491-501. Published online Oct 16, 2021. doi: 10.4253/wjge.v13.i10.491
Retrospective Study
Konosuke Nakaji, Mitsutaka Kumamoto, Mikiko Yodozawa, Kazuki Okahara, Shigeo Suzumura, Yukinori Nakae 
World J Gastrointest Endosc 13(10):502-509. Published online Oct 16, 2021. doi: 10.4253/wjge.v13.i10.502
Anabel Liyen Cartelle, Alexander Nguyen, Parth M Desai, Vikram Kotwal, Jinal Makhija, Jie Yu, John Erikson L Yap 
World J Gastrointest Endosc 13(10):510-517. Published online Oct 16, 2021. doi: 10.4253/wjge.v13.i10.510
Observational Study
Felipe Fiuza, Fauze Maluf-Filho, Edson Ide, Carlos Kiyoshi Furuya Jr, Sonia Nadia Fylyk, Jennifer Nakamura Ruas, Luciana Stabach, Gabriela Albuquerque Araujo, Sergio Eiji Matuguma, Ricardo Sato Uemura, Christiano Makoto Sakai, Kendi Yamazaki, Sergio Shiguetoshi Ueda, Paulo Sakai, Bruno Costa Martins 
World J Gastrointest Endosc 13(10):518-528. Published online Oct 16, 2021. doi: 10.4253/wjge.v13.i10.518
Case Report
Anna Lavinia Bulotta, Maria Vittoria Stern, Dario Moneghini, Filippo Parolini, Maria Pia Bondioni, Guido Missale, Giovanni Boroni, Daniele Alberti 
World J Gastrointest Endosc 13(10):529-542. Published online Oct 16, 2021. doi: 10.4253/wjge.v13.i10.529