Abdominoperineal resection. Definition

Medical Definition: Abdominoperineal resection

Surgery to remove the anus, rectum and sigmoid colon through an incision (cut) in the abdomen. The end of the intestine is attached to an opening in the upper abdomen that empties into a bag where they accumulate disposable outer body wastes (body). This opening called a colostomy. During this operation, you can also remove the cancerous lymph nodes.

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