CA 15-3, Serum
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Are you noticing breast lumps, changes in breast size or shape, nipple discharge, or skin changes? Your healthcare provider may recommend a CA 15-3 Test, a blood test that measures levels of the CA 15-3 protein, which can be elevated in some breast cancer cases.
The CA 15-3 serum test is primarily used for monitoring and managing breast cancer, especially in individuals who have already been diagnosed and are undergoing treatment. Elevated CA 15-3 levels may indicate the presence or progression of breast cancer or help evaluate how well treatment is working.
While the CA 15-3 blood test is not typically used for breast cancer screening or early detection, it plays an important role in tracking disease progression and guiding treatment decisions.
Taking a CA 15-3 test for breast cancer monitoring helps your healthcare team make informed decisions about your care and ensures you’re on the right path to managing your health.
