Dictionary of Cancer Terms
View in Spanish: Antígeno carcinoembrionario
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.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.