Efficacy of water pressure method for colorectal endoscopic submucosal dissection: Propensity-score matching analysis - Kumiko Kirita; Teppei Akimoto; Masahiro Niikawa; Keiichiro Yoshikata; Shun Nakagome; Tsugumi Habu; Yumiko Ishikawa; Eriko Koizumi; Kazutoshi Higuchi; Hiroto Noda; Takeshi Onda; Jun Omori; et al. (Endoscopy International Open)