Ductal carcinoma in situ (DCIS)

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Breast calcifications on mammogram

Image of breast calcifications on mammogram

Calcifications are small calcium deposits in the breast that show up as white spots on a mammogram. Large, round, well-defined calcifications (left column) are more likely to be noncancerous (benign). Tight clusters of tiny, irregularly shaped calcifications (right column) may indicate cancer.

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