Introduction: Breast cancer (BC) is a biologically heterogeneous disease and HER2 expression presents important prognostic implications. Recently, the HER2-low BC has been recognized, defined as HER2 immunohistochemistry (IHC) 1+ or 2+ without gene amplification, whereas HER2-zero tumors show no detectable expression....
Deborah Abucarma Soares, M. E. T. Mendes, A. Carvalho et al.· Mastology· 0 citations
Introduction: Triple-negative breast cancer (TNBC) is an aggressive subtype characterized by the absence of estrogen receptor, progesterone receptor, and human epidermal growth factor receptor 2 (HER2) expression, with limited therapeutic options. TNBC exhibits high tumor heterogeneity and a worse prognosis, including...
Vyvian Paes de Oliveira, Deborah Abucarma Soares, M. E. T. Mendes et al.· Mastology· 0 citations
SLNB after chemotherapy is effective in suspected axillary involvement, and has been proven effective in patients without lymph node metastases and in those with recurrence, especially when ≥3 negative sentinel nodes are identified.
M. E. T. Mendes, Elisa de Araujo Meireles Lewergger, Sophia Fonseca Chagas et al.· Mastology· 0 citations
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