Is there any simple test available to rule out colon or rectal cancer?

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First of all, you get an MRI (magnetic resonance imaging) abdomen done. You can have a presence of mass when you have a colon or rectal cancer. If there is a mass seen, then you can do a colonoscopy. You can also do a CEA (carcinoembryonic antigen) as CEA show an increase in range when you have colon cancer. You can also do a stool DNA test. If the stool DNA test is positive, then you can also do a colonoscopy to confirm the diagnosis.

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Bleeding in colon cancer or hemorrhoids does not have a fixed pattern. If the stool occult test is positive, then colonoscopy can be done to rule out the disease. A stool DNA test is a more specific test for diagnosing it. Colonoscopy is one of the most precise analyses done to diagnose colon cancer. It is very safe and painless nowadays.