الفهرس 
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Abstract
Abstract Colorectal carcinoma is considered the third most common cancer in the world in both sexes (excluding non-melanoma skin cancer) representing (9.8%) from all malignant tumors, preceded by lung cancer (12.7%) and breast cancer (10.9%). Surgery remains the mainstay and the cornerstone of curative therapy, with the greatest technical advances made in recent years using minimally invasive methods, including laparoscopy and robotic surgery. Regardless of the type of surgical approach to colon cancer, location continues to be the major determinant of the type and extent of colonic resections; the degree of resection is based on the arterial, venous and lymphatic drainage of the affected colon segment. Adequate lymph node evaluation for cancer involvement is important for prognosis and treatment of patients with colon cancer. LN involvement is the key factor that determines the stage and prognosis for CRCs. American Pathologists (CAP), American College of Surgeons (ACS), Commission on Cancer (CoC), and the National Comprehensive Cancer Network (NCCN) have also recommended examination of at least 12 LNs to assign Stage II disease. We performed a systematic review of the evidence for the association between lymph node evaluation and oncologic outcomes in patients with colon cancer.