Cancer Glossary: Definitions & Phonetic Pronunciations
C
carcinoembryonic antigen (CEA)
[car-sin-o-em-bre-ON-ic an-tuh-jin]
A substance normally found in certain fetal tissues. If found in an adult, it may suggest that a cancer, especially one starting in the digestive system, may be present. Tests for this substance may help doctors find out if colorectal cancer has come back after treatment.


