There are a number of different tests that can be used to detect polyps, cancer or other abnormalities in the colon and rectum.
Before some of these tests, the colon must be completely empty and the doctor may prescribe an enema or a liquid laxative. This preparation is very important in ensuring the test accuracy.
Diagnostic tests include:
If diagnosed with colon cancer, the doctor may recommend further tests to determine the extent or stage of cancer. These are usually imaging tests for the abdominal, pelvic and chest areas.
In some cases, the extent of the cancer will only be known after surgery.
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