Correlation and predictive value of pathological complete response and ultrasound characteristic parameters in neoadjuvant chemotherapy for breast

Figure 1 A 43-yr-old female patient had a left breast mass with a diameter of 2. 2 cm. The mass was irregular in shape and low echo in the rear. The Alder blood flow grade was grade II, and the pathological complete response effect was achieved after chemotherapy. A: Pre-chemotherapy; B: Post-chemotherapy.