Colorectal Cancer

Frequently Asked Questions

10. What are possible signs of colorectal cancer?

Possible signs of colorectal cancer include:

  • a change in the frequency of bowel movements
  • diarrhea, constipation, or feeling that the bowel does not empty completely
  • either bright red or very dark blood in the stool
  • stools that are narrower than usual
  • general abdominal discomfort such as frequent gas pains, bloating, fullness, and/or cramps
  • weight loss with no known reason
  • constant tiredness
  • vomiting