ecrin-mdr-crcClinical2009Colorectal neoplasiaColorectal NeoplasiaInterventionalhttps://newmdr.ecrin.org/Study/2631067Asia10ECRIN MDRActive, not recruitingfalseProspective multicenter study of persistent recurrence rate and the optimal observation time after endoscopic piecemeal mucosal resection for colorectal neoplaisaInterventions: interval of colonoscopy examination is 3 month interval of colonoscopy examination is 6 month Primary outcome(s): The comparison of each of the local recurrence rate during follow-up in 3 months and in six months after endoscopic piecemeal mucosal resection Study Design: Parallel Randomized2009-10-152631067JPRN-UMIN000015740