Figure 3: A 59-year-old woman for mammographic screening. (a) Digital mammogram showed focal increased density over UOQ of right breast (circle) with BIRADS rating 0 by all the 3 readers. (b) Tomosynthesis revealed obvious architecture distortion (arrow) with radiating spiculations tethered from retracted tissue. The BIRADS score was rated as 4B by 2 readers and 4C by one reader. Patient received partial mastectomy with pathologically proved intraductal cancer, intermediated type (TisN0M0).