Silva, S. da C. e S. F. da; Tengan, F. M.; Fristachi, C. E.; Silva, R. M. da; Rodrigues, F. F. O. Analysis of Axillary Lymph Node Response to Neoadjuvant Therapy in Young Breast Cancer Patients (≤40 Years) Treated at Dr. Arnaldo Cancer Institute in São Paulo. MAST 2026, 35.