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Table 1 Immunohistochemical profile of EGFR IHC staining in 653 triple negative breast tumours

From: Mutations in the epidermal growth factor receptor (EGFR) gene in triple negative breast cancer: possible implications for targeted therapy

EGFR IHC staining Number of cases (Percentage)
Negative (0) 455 (70%)
Weak (1+) 159 (24%)
Moderate (2+) 24 (4%)
Strong (3+) 15 (2%)
Total 653 (100%)
  1. IHC, immunohistochemical.