To learn more about tumor markers for breast cancer, consider asking your doctor the following questions:

• What tumor marker tests do you recommend? Which ones have already been performed?
• How are these tests performed?
• How often do I need these tests?
• Are the tests done in a laboratory accredited by the College of American Pathologists (CAP)?
• What are the results of these tests, and how will the results affect my treatment?
• What health conditions or medications may interfere with these tests?
• What clinical trials are open to me?
• Where can I find more information?