What is the numer one symptom that almost all colon cancer victims suffer from?

Question by mike: What is the numer one symptom that almost all colon cancer victims suffer from?
What is/are the true symptoms?

Best answer:

Answer by CSI Calleigh
Rectal bleeding, there really are no symptoms, however, blood work can unveil anemia, which could be a telltale symptom of internal bleeding, which is one of the only symptoms of the disease.

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