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carcinoembryonic antigen

[car-sin-o-em-bre-ON-ic an-tuh-jin] a substance normally found in certain fetal tissues. If found in the blood of an adult, it may suggest that a cancer, especially one starting in the digestive system, may be present. Blood tests for this substance may help doctors find out if a colorectal cancer has come back after treatment. The test is not helpful for screening for colorectal cancer because of the large number of false positives and false negatives. See also digestive system, false negative, false positive, screening, tumor marker, colorectal cancer.

Can bladder cancer be found early?

... Immunocyt™: This test looks at cells in the urine for the presence of substances
such as mucin and carcinoembryonic antigen (CEA), which are ...

http://www.cancer.org/cancer/bladdercancer/detailedguide/bladder-cancer-detection

Can pancreatic cancer be found early?

... The tumor markers CA 19-9 and carcinoembryonic antigen (CEA) are
the ones most closely tied to pancreatic cancer. But ...

http://www.cancer.org/cancer/pancreaticcancer/detailedguide/pancreatic-cancer-detection

How is colorectal cancer diagnosed?

... Tumor markers: Colorectal cancer cells sometimes make substances, like
carcinoembryonic antigen (CEA) and CA 19-9, that are released into the ...

http://www.cancer.org/cancer/colonandrectumcancer/detailedguide/colorectal-cancer-diagnosed

How is bile duct cancer diagnosed?

... People with bile duct cancer may have high blood levels of the
carcinoembryonic antigen (CEA) and CA 19-9 tumor markers. ...

http://www.cancer.org/cancer/bileductcancer/detailedguide/bile-duct-cancer-diagnosis

Moving on after treatment for colorectal cancer

... Carcinoembryonic antigen (CEA) and CA 19-9 are tumor markers - substances
found in the blood of some people with colorectal cancer. ...

http://www.cancer.org/cancer/colonandrectumcancer/overviewguide/colorectal-cancer-overview-after-follow-up

How is advanced cancer found?

... Examples of tumor markers are PSA (prostate-specific antigen) for prostate
cancer and CEA (carcinoembryonic antigen) for colon cancer. ...

http://www.cancer.org/treatment/understandingyourdiagnosis/advancedcancer/advanced-cancer-diagnosis

MediaRoom - Press Releases

... the screening guidelines to be fulfilled if a patient received two or more office
visits per year, two or more carcinoembryonic antigen (CEA) tests per ...

http://pressroom.cancer.org/index.php?s=43&item=114

What happens after treatment for colorectal cancer?

... Carcinoembryonic antigen (CEA) and CA 19-9 are substances found
in the blood of some people with colorectal cancer. ...

http://www.cancer.org/cancer/colonandrectumcancer/detailedguide/colorectal-cancer-after-follow-up

What happens after treatment for thyroid cancer? | American ...

... thyroid cancer: If you had medullary thyroid cancer (MTC), your doctors will
check the levels of calcitonin and carcinoembryonic antigen (CEA) in ...

http://www.cancer.org/cancer/thyroidcancer/detailedguide/thyroid-cancer-after-follow-up

The Reflected Light of Steve Jobs: A Brighter Future for ...

... The markers we understand best to date are CEA (carcinoembryonic antigen)
and a sugar molecule called CA 19-9. Thus far, though, neither is ...

http://www.cancer.org/cancer/news/expertvoices/post/2012/11/06/the-reflected-light-of-steve-jobs-a-brighter-future-for-pancreatic-cancer.aspx