Figure 4

A 43 year old woman presenting with focal thickening in the left breast, finally diagnosed as ductolobular carcinoma with a ≤ 20% proportion of the lobular component. a) Mediolateral and craniocaudal mammograms of the left breast show a spiculated mass in the upper outer quadrant. b) Ultrasound shows a hypoechoic and spiculated mass, with echogenic halo at and posterior acoustic shadowing (upper outer quadrant).