WebMD explains breast calcifications, which can range from benign to of breast calcifications: macrocalcifications and microcalcifications.
Most breast calcifications are benign. Find out more about On a mammogram, breast calcifications can appear as macrocalcifications or microcalcifications.
Microcalcifications are small. They often occur because of benign (not cancer) changes, but occasionally microcalcifications can be an early sign of cancer.