A member asked:

How is colon cancer diagnosed? what is the prognosis? what tests are used to determine the different stages of colon cancer

A doctor has provided 1 answer

Biopsy: Colon cancer is diagnosed by a biopsy sample during colonoscopy. Pathology helps determined the stage after surgical removal of the cancer. Ranges from best stage 1 with small early cancer, to most advanced stage 4 when cancer has spread to other organs. Sometimes a ct scan or pet scan may be used to see if the cancer has spread to other sites.

Answered 3/1/2013

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