Successful ESD of a gastric hamartomatous inverted polyp intussuscepted into a pylorus ring using a clip with a line attachment prior to incision - Abiko, Satoshi; Hirata, Koji; Suzuki, Kazuharu; Kinoshita, Kenji; Hatanaka, Kazuteru; Yamamoto, Yoshiya; Naruse, Hirohito (Endoscopy International Open, 2024)