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- A blood test that measures the amount of substances called tumor markers (or biomarkers). Tumor markers are released into the blood by tumor cells or by other cells in response to tumor cells. A high level of a tumor marker may be a sign of cancer.
National Cancer Institute - Cite This Source - This Definition
- beta-2-microglobulin, blood chemistry study, CA 19-9 assay, discharge, Dysfunction, kidney function test, liver function test, ovulation, oxidative stress, oxygen saturation test, prostate-specific antigen test, PSA bounce, renal function test, venous sampling