Timing Evaluation of Stoma Closure (TIMES). Early vs Late Closure of Stoma After Rectal Cancer Surgery.

Inclusion Criteria: * Patients with rectal cancer (with / without metastasis) (with / without chemoterapy or radiotherapy) * Patients undergoing low or ultra low anterior resection with anastomosis and stoma of protection. * Patients with no intraoperative or postoperative complications. * Radiological confirmation of the absence of anastomotic compilations (opaque enema or abdominal-pelvic CT scan with rectal contrast) * Confirmation by rectoscopy of the absence of anastomotic compilations Exclusion Criteria: * Rectal cancer surgeries without anastomosis. * Rectal cancer surgeries without stoma of protection.