what is the typical reason part of the colon is removed?
Severe bleeding from the colon may require surgery to remove the affected portion of the colon. Bowel obstruction. A blocked colon is an emergency that may require total or partial colectomy, depending on the situation. Colon cancer. Early-stage cancers may require only a small section of the colon to be removed during colectomy. Cancers at a later stage may require more of the colon to be removed. Crohn's disease. If medications aren't helping you, removing the affected part of your colon may offer temporary relief from signs and symptoms.