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Table 3 Immunohistochemical results of male breast carcinoma

From: Immunohistochemical characterization of subtypes of male breast carcinoma

Immunostains Luminal A
n = 35
Luminal B
n = 7
Total P value*
ER 35 7 42 (100%)  
PR 24 3 27 (64%) 0.23
HER2 0 7 7 (16%)  
CK 5/6 9 3 12 (28%) 0.39
EGFR 6 3 9 (21%) 0.16
NF-κB 13 4 17 (40%) 0.41
  1. * Fisher's exact test.
  2. CK = cytokeratin; EGFR = epidermal growth factor receptor; ER = estrogen receptor; HER2 = human epidermal growth factor receptor 2; NF-κB = nuclear factor-κB; PR = progesterone receptor.