2. How a Screening Mammogram Works.

Screening mammograms usually involve two x-ray pictures, or images, of each breast. The x-ray images can detect tumors that cannot be felt during your self-exam, and also finds microcalcifications (tiny deposits of calcium) that possibly could indicate the presence of breast cancer. Screening mammograms are precautionary; you don’t need to discover an abnormality first before receiving one.


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