Effects on anorectal function of endoscopic submucosal dissection for rectal tumors involving the dentate line. - Kobayashi Y; Fukunaga S; Kanamori A; Kono M; Ochiai T; Ominami M; Otani K; Hosomi S; Tanaka F; Fujiwara Y (Scandinavian journal of gastroenterology, 2024)