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Open-Access Journal
Review
Colorectal endoscopic submucosal dissection: Recent technical advances for safe and successful procedures 
Katsumi Yamamoto, Tomoki Michida, Tsutomu Nishida, Shiro Hayashi, Masafumi Naito, Toshifumi Ito 
World J Gastrointest Endosc 7(14):1114-1128. Published online Oct 10, 2015. doi: 10.4253/wjge.v7.i14.1114
Minireviews
Peroral endoscopic myotomy: An emerging minimally invasive procedure for achalasia 
Yalini Vigneswaran, Michael B Ujiki 
World J Gastrointest Endosc 7(14):1129-1134. Published online Oct 10, 2015. doi: 10.4253/wjge.v7.i14.1129
Endoscopic retrograde cholangiopancreatography-related perforations: Diagnosis and management 
Antonios Vezakis, Georgios Fragulidis, Andreas Polydorou 
World J Gastrointest Endosc 7(14):1135-1141. Published online Oct 10, 2015. doi: 10.4253/wjge.v7.i14.1135
Prospective Study
Histological diagnosis of gastric submucosal tumors: A pilot study of endoscopic ultrasonography-guided fine-needle aspiration biopsy vs mucosal cutting biopsy 
Hisatomo Ikehara, Zhaoliang Li, Jiro Watari, Masato Taki, Tomohiro Ogawa, Takahisa Yamasaki, Takashi Kondo, Fumihiko Toyoshima, Tomoaki Kono, Katsuyuki Tozawa, Yoshio Ohda, Toshihiko Tomita, Tadayuki Oshima, Hirokazu Fukui, Ikuo Matsuda, Seiichi Hirota, Hiroto Miwa 
World J Gastrointest Endosc 7(14):1142-1149. Published online Oct 10, 2015. doi: 10.4253/wjge.v7.i14.1142
Case Report
Laparoscopic endoscopic cooperative surgery as a minimally invasive treatment for gastric submucosal tumor 
Tsutomu Namikawa, Kazuhiro Hanazaki 
World J Gastrointest Endosc 7(14):1150-1156. Published online Oct 10, 2015. doi: 10.4253/wjge.v7.i14.1150