A mammogram is an X-ray that checks for cancer in breast tissue. The technique used to do these X-rays is called mammography. The images may show a small tumor that cannot be felt during an examination or other breast changes.

What are the different types of mammograms?

A mammogram can be done as a routine check-up test or to find the cause of symptoms you are experiencing.

Screening mammogram. This type of mammogram is a routine test. You may have it every year, every other year, or at different times depending on what your doctor recommends.