A CEA blood test is often used as a tumor marker and helps determine the stage and extent of disease and the outlook in patients with cancer, especially gastrointestinal (GI) and colorectal cancer. CEA is also used as a marker for other forms of cancer. It has been found helpful in monitoring patients with cancer of the rectum, lung, breast, liver, pancreas, stomach, and ovary.
Recommended for: Diagnosing colorectal, ovarian, breast, pancreatic, lung cancers. Monitoring treatment of the above cancers.
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