Figure 1From: Mutations in the epidermal growth factor receptor (EGFR) gene in triple negative breast cancer: possible implications for targeted therapyImmunohistochemical staining of EGFR in triple negative breast cancers. (A) Negative EGFR expression (B) 1+ EGFR expression (C) 2+ EGFR expression (D) 3+ EGFR expression.Back to article page