carcinoembryonic antigen

Definition / meaning of carcinoembryonic antigen

A substance that is sometimes found in an increased amount in the blood of people who have certain cancers, other diseases, or who smoke. It is used as a tumor marker for colorectal cancer. Also called CEA.

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Find More About 'carcinoembryonic antigen'

Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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