Colorectal cancer


Colorectal cancer: A malignant tumor arising from the inner wall of the large intestine (the colon). In the US, colon cancer is the third leading type of cancer in males and the fourth in females. Risk factors for cancer of the colon and rectum (colorectal cancer) include colon polyps, long-standing ulcerative colitis, and genetic family history. Most colorectal cancers develop from polyps. Removal of colon polyps can prevent colorectal cancer. Colon polyps and early colon cancer can have no symptoms. Therefore, regular screening is important, starting at age 50 (or earlier, if added risk factors are present). Diagnosis can be made by barium enema or by colonoscopy, with biopsy confirmation of cancer tissue. Surgery is the most common treatment for colorectal cancer.

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  • Colorectal surgeon

    Colorectal surgeon: A general surgeon who has had further training and is expert in the diagnosis and treatment of benign and malignant diseases of the colon, rectum, and anus.

  • Colorectal polyp

    Colorectal polyp: A polyp (a fleshy growth) on the inside lining of the colon or rectum. For more information, see: Colon polyp.

  • Colostomy

    Colostomy: An artificial exit from the colon created to divert waste through a hole in the colon and through the wall of the abdomen. A colostomy is commonly performed by severing the colon and then attaching the end leading to the stomach to the skin, through the wall of the abdomen. At the exterior opening […]

  • Colostomy bag

    Colostomy bag: A removable, disposable bag that attaches to the exterior opening of a colostomy (stoma) to permit sanitary collection and disposal of bodily wastes.

  • Colostomy, iliac

    Colostomy, iliac: A colostomy in which the exterior opening (stoma) is located on the lower-left side of the abdomen.


Disclaimer: Colorectal cancer definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.