ecrin-mdr-crcClinical2020obstructive colorectal cancerObstructive Colorectal CancerObservationalhttps://newmdr.ecrin.org/Study/2655643Japan7ECRIN MDRNot yet recruitingfalseProspective observational study of preoperative complete colorectal evaluation after colorectal stent placement for obstructive colorectal cancer.Primary outcome(s): Detection rate of synchronous colon cancers on the oral side of stenosis2020-07-152655643JPRN-UMIN000040911