Figure 1: (a) Nuclear positivity seen for ER (400x, IHC). (b) ER negative (200 x, IHC). (c) Nuclear positivity seen for PR (400 x, IHC). (d) PR negative (200 x, IHC). (e) Membranous positivity seen for HER2 (400 x, IHC). (f) HER2 negative (200 x, IHC)