229PEvaluation of human epidermal growth factor receptor 2 overexpression (HER2+) after administration of neoadjuvant treatment (NAT) and prognostic impact in breast cancer (BC). (23rd October 2018) - Machado, D H R; Branco, F; Silva, F F; André, S; Brito, M; Casanova, M; Nave, M; Moreira, A; Passos-Coelho, J L C