76-year-old female with right breast infiltrating differentiated duct carcinoma with mucinous features.
Findings: (a, b) The right breast demonstrates a round, circumscribed, complex solid and cystic mass at the 12 o’clock position, 15 cm from the nipple measuring 1.1 × 0.9 × 1.1 cm (arrows at solid component).
Technique: Ultrasound examination using a high frequency linear transducer (13 MHz).