The main goal of this study is to clarify if Robotic-assisted surgery could become the standard approach in patients undergoing left colonic resection.

Patient candidates to left colonic resection were randomly assigned to Robotic(RAL) or laparoscopic(LL) approach. The surgical staff who were not involved in the study registered 30-day postoperative morbidity. Cost-benefit analysis was based on hospital days. Long-term morbidity, quality of life, and 5-year survival have also been evaluated

Robotic-assisted Left Hemicolectomy as advantages on showing the inferior mesenteric artery (IMA), protection of autonomic nerve compare to laparoscopic approach. Our experience found that operational flexibility was advantage without surgeon's position exchange.

Inclusion Criteria:

Colon cancer adenocarcinoma The tumor located between the descending colon and the right 1/3 of transverse colon Tumors T3,Т4а,b N0-2 Tolerance of chemotherapy ECOG 0-2

Exclusion Criteria:

With distant metastases Tumors T1-2 Complications of tumor Women during Pregnancy