87-year-old female. Left breast cancer undergoing neoadjuvant hormonal therapy. Follow-up ultrasound to evaluate treatment response. A focused left breast ultrasound at the 2 o'clock location, approximately 4 to 5 cm from the nipple, showed a 1.6 x 1.1 cm hypoechoic irregular mass, previously 1.4 x 1.2 cm, not significantly changed allowing for differences in technique.
No significant interval change in the known left breast cancer.BIRADS: 6 - Known cancer.RECOMMENDATION: T - Take Appropriate Action - No Letter.