ecrin-mdr-crcClinical2008Colorectal cancerColorectal CancerObservationalhttps://newmdr.ecrin.org/Study/2655466Japan9ECRIN MDRActive, not recruitingfalseA multicenter cohort study to elucidate the effect of endoscopic polypectomy on the incidence of colorectal cancer- the Japan Polyp Study CohortPrimary outcome(s): Incidence of invasive cancer at 6, 9 and 12 years after clean colon (Complete removal of colorectal neoplasia)2008-09-152655466JPRN-UMIN000040731