BI-RADS 2. In a 28-year-old-woman, with palpable right breast lump, B-mode US depicts a 3 cm FBL. According to BI-RADS lexicon, with S-Detect (green line contour) this FBL was classified as oval-shaped, with parallel orientation and circumscribed margins (arrow). The echo pattern was judged anechoic, with enhancement as posterior feature. Final diagnosis: simple cyst