ecrin-mdr-crcClinical2012colorectal cancerColorectal CancerObservationalhttps://newmdr.ecrin.org/Study/2631773Japan3ECRIN MDRCompletedfalseThe research for laparoscopic navigation surgery by specific light band in colorectal operation.Primary outcome(s): To develop for accuracy in TNM classification in colorectal cancer during operation2012-03-152631773JPRN-UMIN000016452