carcinoembryonic antigen

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(CEA) a protein produced in the fetus but not in normal adult life. It may be produced by carcinomas, particularly of the colon, and is a rather insensitive marker of malignancy. It is an example of an oncofetal antigen that is used as a tumour marker, particularly in the follow-up of colorectal cancer.

Subjects: Chemistry — Medicine and Health.

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