A 69-year-old woman with abnormal left mammogram categorized as 4c. A and B, Craniocaudal magnification and mediolateral oblique magnification view showed suspicious segmental fine linear and branching microcalcifications (circled). C, Mammography-guided needle localization was performed (circled). D, Specimen radiography of surgical specimen revealed adequate sampling of microcalcifications. Pathology of biopsy revealed DCIS. The imaging and histologic finding was considered concordant.