Figure 1From: Molecular apocrine breast cancers are aggressive estrogen receptor negative tumors overexpressing either HER2 or GCDFP15Histopathological features of two molecular apocrine cases. Both cases show apocrine differentiation on H&E stainings, as well as positive immunostainings for HER2, GCDFP15 and FOXA1. AR immunostaining is positive in case A but negative in case B. AR, androgen receptor; HER2, Human Epidermal Growth Factor Receptor 2.Back to article page