1. Tumor Marker Tests

2. Tumor Markers Substances produced by cancer
Substances produced by other cells in response to cancer
Found in blood, urine, stool, bodily fluids
More than 20 tumor markers

3. AFP Alpha fetoprotein liver and germ cell tumors
diagnose liver cancer and follow response to treatment, assess stage and prognosis
follow response of treatment of germ cell cancers

4. B2M
Beta 2 Microglobulin
Myeloma, leukemia, some lymphomas
determine prognosis and response to treatment
CA19-9
follow treatment response in pancreatic, gallbladder, bile duct, and gastric cancer

5. Calcitonin
Medullary thyroid cancer
aid in diagnosis, treatment response
CA 125
Ovarian cancer

6. PSA prostate specific antigen
aid in diagnosis, treatment response, assess recurrence
screen men for cancer BEFORE symptoms present themselves
elevated levels may or may not indicate cancer