What are the symptoms 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 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 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