Radiopaedia.org

Large bilateral fat density breasts. A radiolucent lesion measuring approximately 10.5 x 13 cm, surrounded by a thin radiopaque capsule, is noted in the upper outer quadrant of the left breast (best appreciable on the MLO view). No pleomorphic microcalcification clusters, concerning malignant lesion, abnormal skin thickening, nipple retraction or significant axillary lymphadenopathy is seen.