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    Colorectal Cancer

    Colorectal Cancer



    When To Call a Doctor

    Call your doctor if you have any symptoms of colorectal cancer, such as:

    • A change in bowel habits.
    • Bleeding from your rectum, including bright red or dark blood in your stools or stools that look black.
    • Constant or frequent diarrhea, constipation, or a feeling that your bowel doesn't empty completely.
    • Stools that are narrow (may be as narrow as a pencil).
    • Abdominal (belly) pain or problems with gas or bloating.
    • Unexplained weight loss.
    • Constant tiredness (fatigue).

    Because colorectal cancer often does not cause any symptoms, talk with your doctor about Reference screening tests. Screening helps doctors find a certain disease or condition before any symptoms appear. Some screening tests for colorectal cancer can find and remove small precancerous growths in the colon and rectum called Reference adenomatous polyps Opens New Window. If these are found and removed early, they cannot turn into cancer.

    Who to see

    Health professionals who can evaluate your symptoms of colorectal cancer include:

    If your doctor thinks you may have colorectal cancer, he or she may advise you to see a general surgeon or a colorectal surgeon. Colorectal cancer is treated by surgeons, Reference medical oncologists Opens New Window, and Reference radiation oncologists Opens New Window.

    To prepare for your appointment, see the topic Reference Making the Most of Your Appointment.



    This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Reference Terms of Use. Reference How this information was developed to help you make better health decisions.