Mammography is a procedure of the breast using x-rays to produce images. A mammogram is an x-ray picture of the breast. It is used to check breast disease including breast cancer in women who have no signs or symptoms of the disease.
It is also used to diagnose a lump or cysts. Screening mammography is the type of mammogram that checks the breast without symptoms. The procedure helps to reduce the number of deaths from breast cancer among women ages 40 to 70. Mammograms are also recommended for younger women who have symptoms of breast cancer or who have a high risk of the disease.