Fig. 5: Flowchart of this study.

a US images acquisition. b Multimodal information. c Development and validation of the BCRP model. d Performance evaluation of BCRP model. BI-RADS breast imaging data and reporting system, US ultrasound, NACT neoadjuvant chemotherapy, GPPH Guangdong Provincial People’s Hospital, SYSUCC Sun Yat-sen University Cancer Center, YNCH Yunnan Cancer Hospital.