Colorectal Cancer - Symptoms

Colorectal cancer in its early stages usually doesn't cause any symptoms. Symptoms occur later, when the cancer may be harder to treat. The most common symptoms include:

  • Pain in the belly.
  • Blood in your stool or very dark stools.
  • A change in your bowel habits. (You may have more frequent stools or a feeling that your bowels aren't emptying completely).
  • Constant tiredness (fatigue).
  • In rare cases, unexplained weight loss.
WebMD Medical Reference from Healthwise
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