Inclusion Criteria:  American Society of Anesthesiologists(ASA) grade I-III. Right colon cancer (*The right-sided location of the cancer is defined as the location from the caecum up to the proximal third of the transverse colon), preoperative assessment of tumor stage T2-T4a, any N or T any N+ according to the National Comprehensive Cancer Network(NCCN) clinical practice guidelines in oncology: colon cancer version 2.2015); no distant metastasis. Informed consent  Exclusion Criteria:  Age > 85 years old. T1, N0 T4b, any N BMI > 30. Metastatic disease (Abdominal and chest CT scan will be mandatory to exclude distant metastasis.) American Society of Anesthesiologists(ASA) grade IV. History of cancer in recent 5 years. Need for Emergency surgery. Infectious disease requiring treatment. Pregnancy. Use of systemic steroids. No history of familial adenomatous polyposis, ulcerative colitis or Crohn's disease.