Colon Cancer Surgical Treatment: Principles of Colectomy

Evie H. Carchman, Matthew F. Kalady

Key Concepts

  • Surgical resection of the primary tumor remains the cornerstone of treatment for stage I–III colon cancer and plays a role in treating surgically resectable stage IV disease.
  • Extent of colectomy is based on the anatomic location of the tumor.
  • Goals of resection are to achieve negative circumferential margins and to remove the mesentery at greatest risk for lymphatic spread.
  • Examination of lymph nodes allows for accurate cancer staging, which is imperative for selection of patients for adjuvant therapy.

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Last updated: January 26, 2022