Health / Medical Topics |
Cancer Antigen 19-9 Measurement
Definition 1
The determination of the amount of cancer antigen 19-9 present in a sample. (NCI Thesaurus)
Definition 2
A measurement of the cancer antigen 19-9 in a biological specimen. (NCI Thesaurus/CDISC)
Definition 3
A test that measures the level of CA 19-9 in the blood. CA 19-9 is a tumor marker released into the bloodstream from both cancer cells and normal cells. Higher than normal amounts of CA 19-9 in the blood can be a sign of gallbladder or pancreatic cancer or other conditions. (NCI Dictionary)
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