Mammogram

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Definition Why it's done Risks

How you prepare What you can expect Results

Definition

Breast cancer is the second-leading cause of death from cancer among women in the United States, following lung cancer. However, great strides in early detection and improved treatment, including mammogram use, have decreased breast cancer deaths.

Having a mammogram plays a key role in early detection. Using a mammogram, your doctor can detect breast cancer nearly one to three years before you might actually feel a lump in your breast.

A mammogram can be used either for screening or for diagnostic purposes. How often you should have a mammogram depends on your age and your risk of breast cancer.

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Why it's done

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