Fig. 4From: Sinonasal analogue HPV related breast multiphenotypic carcinoma, a report of a case with the first description in the breasta. EGFR by immunohistochemistry showing strong membranous staining. b. High risk HPV 33 is positive by in situ hybridization, supporting the diagnosis of HPV-related multiphenotypic carcinoma involving the breastBack to article page