Inclusion Criteria:  Age >18 years Histologically-proven adenocarcinoma of the colon or the rectum Eligible for a resective surgery by minimally-invasive (standard or robotic-assisted laparoscopic procedure, all robotic systems will be accepted) or open approach Able to give written informed consent  Exclusion Criteria:  Squamous carcinoma of the anal canal History of psychiatric or addictive disorder or other medical condition that, in the opinion of the investigator, would preclude the patient from meeting the trial requirements Pregnancy Unable to give free informed consent