Development and validation of an interpretable machine learning model for postoperative radiotherapy decision-making in ypN0 breast cancer after neoadjuvant chemotherapy: a real-world study. - Yunjiao Zhang; Jie Duan; Niuniu Hou; Xue Zhang; Panpan Liang; Xi Chen; Chutuo Liu; Zhe Wang; Rui Ling (BMC Medical Informatics Decis. Mak., 2026)