NCI Dictionary of Cancer Terms
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|A small piece of a tumor marker called carcinoembryonic antigen (CEA). CEA may be found in the blood of people who have colon cancer, other types of cancer or diseases, or who smoke tobacco. CAP-1 is used to make a vaccine that may help stimulate the body’s immune system to kill cancer cells. Also called carcinoembryonic antigen peptide-1 and CEA peptide-1.|