You may have a screening test to look for breast cancer. (Screening tests help your doctor look for a certain disease before any symptoms appear.) The earlier breast cancer is found, the more easily and successfully it can be treated.
HER-2 receptor status. HER-2/neu is a protein that regulates the growth of some breast cancer cells. Some women with breast cancer have too much (overexpression) of this growth-promoting protein.
Multi-gene tests for postmenopausal women with hormone-receptor-positive, HER-2 negative breast cancer. These tests can show your chances of the cancer coming back. This can help your doctor tell whether chemotherapy is likely to work for you.