Colorectal Cancer

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Signs and Symptoms



Colorectal cancer can be asymptomatic (i.e., it may not cause symptoms). Blood in the stool is a common sign of the disease. Blood may be bright red or dark in color, and may not be noticeable. Chronic bleeding may result in iron deficiency anemia which may cause fatigue and pale skin.



Other symptoms include the following:

Abdominal discomfort (e.g., pain, bloating, cramping, fullness)
Change in bowel habits
Constipation or diarrhea
Narrow stools
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