Study of Postoperative Ileus in Digestive Surgery

Inclusion Criteria: * Patient entering our care sector for surgical management of a pathology affecting the digestive tract: * Colorectal cancer * Chronic inflammatory bowel disease * Colonic diverticulosis. Exclusion Criteria: * Patient treated for digestive resection with associated resection procedure or to be treated with intraperitoneal chemotherapy. * Patient presenting during hospitalization with an ileus secondary to another intra-abdominal complication. * Patient cared for in an emergency * Hepatic resection or other associated metastatic site * Multiple digestive resection * Colorectal anastomosis less than 7 cm from the anal margin (below the Pouch of Douglas) * Patient with American Society of Anesthesiologists physical status (ASA) score \> 2 * Patient with an Eastern Cooperative Oncology Group (ECOG) Performance Status Scale \>2 * Pregnant or breastfeeding women * Patient under a protection regime for adults (guardianship, curators, safeguard of justice)