Fig. 3From: Co-presence of human papillomaviruses and Epstein–Barr virus is linked with advanced tumor stage: a tissue microarray study in head and neck cancer patientsa–d The case of poorly differentiated (G3) oral squamous cell carcinoma (a, b Hematoxylin and Eosin staining) that was diffusely and strongly positive for LMP1 protein of EBV (c, d); This cancer also strongly co-expressed E6 protein of HPV (the image in the right upper corner of b) (a–c ×4 magnifications; b–d ×20 magnifications)Back to article page