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Surgical oncology procedures Appendectomy Surgery to remove an appendix is known as an appendectomy. It is usually an emergency procedure performed when the appendix, a small organ attached to the large intestine, becomes irritated and inflamed. The condition is called appendicitis. The appendix swells when it becomes blocked by infection, cancer, a foreign material or stool.

When an appendectomy is performed and an appendix tumor is discovered, and lab tests confirm it is appendix (or appendiceal) cancer, additional surgery to remove more tissue may be necessary. In addition to appendix surgery, patients may receive chemotherapy, and in rare cases, radiation therapy.

Bowel resection is a surgical procedure used to treat and prevent cancer and other diseases of the colon by removing part of the large intestine. It is also known as a colectomy, colon resection or colon removal. Surgery is a common treatment for colorectal cancer. Bowel resection involves the surgical removal of colorectal tumors, as well as surrounding tissue and several nearby lymph nodes. A bowel resection that involves removing the entire colon is called a total colectomy. A subtotal colectomy removes most of the colon. When a portion, or segment, of the colon is removed, it is known as a segmental colectomy.