ecrin-mdr-crcClinical2015colorectal submucosal tumor, colorectal adenoma, colorectal mucosal adenocarcinomaColorectal Submucosal Tumor, Colorectal Adenoma, Colorectal Mucosal AdenocarcinomaInterventionalhttps://newmdr.ecrin.org/Study/2632817Japan5ECRIN MDRNot yet recruitingfalseClinical research of the laparoscopy endoscopy cooperative colorectal wedge resection (LECS-CR)Interventions: Operation(laparoscopy/Endoscopy) Primary outcome(s): Rate of anastomotic leakage Study Design: Single arm Non-randomized2015-05-152632817JPRN-UMIN000017503