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carcinoembryonic antigen (KAR-sih-noh-EM-bree-AH-nik AN-tih-jen)

 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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Next Definitions:carcinoembryonic antigen peptide-1, carcinogen, carcinogenesis, carcinoid, carcinoid syndrome

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