Waitzberg, A. F. L.; Barbosa, L. de F.; Santos Filho, A. M. dos; Cruz, A. L. da; Nova, L. G. P.; Prigenzi, K. C. K. Human Epidermal Growth Factor Receptor-Type 2 Expression Heterogeneity Pattern in Invasive Breast Carcinomas: Frequency, Distribution and Relation to Morphological Variables. MAST 2026, 35.