Figure 4From: Rare case of malignant transformation of recurrent respiratory papillomatosis associated with human papillomavirus type 6 infection and p53 overexpression Immunohistochemical staining for EGFR signaling. EGFR (A), pEGFR (B), and pERK (C) in the dysplastic sample obtained in 2011, and for EGFR(D), pEGFR (E), and pERK (F) in the SCC sample.Back to article page