In English | En español
Questions About Cancer? 1-800-4-CANCER

NCI Dictionary of Cancer Terms

Page Options

  • Print This Page

Widget

NCI Dictionary of Cancer Terms



colostomy  listen  (koh-LOS-toh-mee)

  An opening into the colon from the outside of the body. A colostomy provides a new path for waste material to leave the body after part of the colon has been removed.

Enlarge
Three-panel drawing showing colon cancer surgery with colostomy; first panel shows the area of the colon with cancer, middle panel shows the cancer and nearby tissue removed and a stoma created, last panel shows a colostomy bag attached to the stoma.