A Mammogram is a diagnostic tool that uses x-rays to exam the breasts. Sometimes a small tumor cannot be felt by touch. A mammogram can find possible cancer at an early stage when it is small and easy to treat.
Following the American Cancer Society and the American College of Radiology guidelines, starting at age 40, all women should get a mammogram every year. If you have a family history, you may want to ask your doctor if you should start getting a mammogram earlier.