ecrin-mdr-crcClinical2013colorectal cancerColorectal CancerObservationalhttps://newmdr.ecrin.org/Study/2626160Japan5ECRIN MDRCompletedfalseProspective cohort study of Reduced Port Surgery to colorectal cancerPrimary outcome(s): pain assessment2013-05-152626160JPRN-UMIN000010781