ecrin-mdr-crcClinical2021superficial colorectal tumorsSuperficial Colorectal TumorsObservationalhttps://newmdr.ecrin.org/Study/2723899Japan10ECRIN MDRNot yet recruitingfalseA multi-institutional prospective observational study of the efficacy and safety of under-gel EMR (UGEMR) for superficial colorectal tumorPrimary outcome(s): R0 resection rate of the superficial colonic tumors.2021-10-152723899JPRN-UMIN000045801