If you’re just beginning your search for information on breast cancer, you’ve come to the right place. Many changes occur in your breasts during your lifetime. Throughout puberty, pregnancy and menopause, the look, structure (anatomy) and function of your breasts change. Learning about breast anatomy and how the breasts function can help you understand which changes are normal and which are not.

This section is a good first step to find out about breast cancer and benign (not cancer) breast conditions. It also includes information on breast cancer in men and breast cancer statistics for many populations.

The warning signs of breast cancer are not the same for everyone.The most common signs are a change in the look or feel of the breast, a change in the look or feel of the nipple and nipple discharge.