Overview

The study attempts to quantify the relative risks for mortality, anastomotic leakage and other early and late postoperative complications, recurrence rate, cancer-specific survival, recurrence-free survival after colorectal surgery for patients with colorectal cancer depending on the localization of the tumor.

Eligibility

Inclusion Criteria:

• Histologically proven primary adenocarcinoma of bowel;
• All patients who have indications for surgical treatment of colorectal cancer based on the decision of the oncological council;
• Signed informed consent with agreement to attend all study visits;

Exclusion Criteria:

• Unresectable tumor or contradictions to surgery;
• Indications for chemotherapy or radiation therapy prior to surgery;
• Patient withdrawal from the trial or loss of follow-up;
• Emergent operation;
• Pregnancy.