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Colorectal Cancer Health Center

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Colon Cancer Genetic Testing - How Accurate Is the Test?

Although these blood tests are highly reliable, no test is 100% accurate. The test cannot tell you when or whether you will develop colon cancer. Testing negative for an inherited colon cancer gene does not mean you will never get colon cancer. It means your risk of colon cancer is about the same as that of the average person.

There are many different genetic mutations that can lead to FAP or HNPCC. Genetic testing does not find all of them. Because of this, a person may have a normal genetic test but still have an increased chance of having an inherited colon cancer.

Recommended Related to Colorectal Cancer

General Information About Rectal Cancer

Incidence and Mortality Estimated new cases and deaths from rectal cancer in the United States in 2014:[1] New cases: 40,000 (rectal cancer only). Deaths: 50,310 (colon and rectal cancers combined). It is difficult to separate epidemiological considerations of rectal cancer from those of colon cancer because epidemiological studies often consider colon and rectal cancer (i.e., colorectal cancer) together. Epidemiology Worldwide, colorectal cancer is the third most common...

Read the General Information About Rectal Cancer article > >

WebMD Medical Reference from Healthwise

Last Updated: November 14, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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