A colectomy, or, colon resection, removes all or part of the large intestine.
- Segmental Colectomies: Generally, a vertical incision is made in the middle of the abdomen, overlying the portion of the bowel with disease. The segment of bowel containing the disease is removed. If the excision is for cancer, an effort is made to remove a wider segment to include lymph nodes. The ends of the bowel are joined together (anastomosis) to be water-tight and permit healing.
- Polypectomy: A surgeon may remove a cancerous polyp or polyps from the colon or rectum using a colonoscope. …