Clinical Research Directory

Inclusion Criteria: 1. Patients of both sexes, aged ≥18 years. 2. Adenocarcinoma of the right, left, sigmoid and recto-sigmoid junction that have cT3 or cT4a/b according to the eighth TNM edition of the American Joint Committee on Cancer (AJCC). Pre-treatment diagnosis by imaging (CT) test. 3. Lymph node extension: cN0, the presence of cN1/2 according to AJCC TNM 8th edition is allowed as long as they can be resected. Pretreatment diagnosis by imaging (CT) test. 4. Patients who access and sign informed consent for the surgical intervention. Exclusion Criteria: 1. Suspected carcinomatosis on preoperative CT or intraoperative finding 2. Suspected distant metastasis on preoperative CT or intraoperative finding 3. Patients with tumors with infiltration considered to be unresectable (pre-surgical or intraoperatively), since the anatomical-pathological analysis will not be available.