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What is the cancer antigen 15-3 (CA 15-3) blood test for breast cancer?

Cancer Antigen 15-3 (CA 15-3) is a blood test that you might have if you've been diagnosed with breast cancer. It helps monitor advanced breast cancer and how it is responding to treatment.

What is a uPA + PAI-1 Breast Cancer Tumor Marker Test?

uPA + PAI-1 is a tumor marker test done on a sample of tissue from a breast cancer tumor. High levels on this test may indicate that your cancer is aggressive, and your risk of recurrence is high. Learn what the results mean for you and your breast cancer treatment plan.

What is a Carcinoembryonic Antigen (CEA) Tumor Marker Test?

A carcinoembryonic antigen (CEA) tumor marker test is a blood test that might be ordered prior to and during breast cancer treatment to monitor your progress. The results of this test may show whether your treatment is effective for your cancer. Learn more about blood testing and the CEA blood test.

What is the Ki-67 Tumor Marker Test for Breast Cancer?

Ki-67 is a cancer antigen that is found in growing, dividing cells but is absent in the resting phase of cell growth. This is not a screening test, but is useful in predicting your prognosis.

What is the cancer antigen 27.29 (CA 27.29) test for breast cancer?

Cancer antigen 27.29 (CA 27.29) is a blood test that is given specifically for breast cancer. The antigen CA 27.29 is found in the blood of women who have been diagnosed with breast cancer. It is not a screening test but is used for monitoring treatment and disease.