Colon cancer is a silent disease that only shows its symptoms at the advanced stages. As colon cancer has a long latent period, it can be detected in the precancerous stage.

Symptoms

Colon cancer early symptoms include blood in the stool or unable to pass motion suggesting that the colon is blocked. Frequent diarrhea, constipation and unexplained stomach aches are early colon cancer symptoms or other forms of cancer.  Weight loss, when there have been no changes to diet or exercise routine, may be an early symptom of colon cancer or other digestive cancers.

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