Dog, Squamous Cell Carcinomas (SCCs) with a Positive Canine Papillomavirus 1 (CPV-1) Status.

<p>Well-differentiated SCC of the neck region (A), oral papillary SCC (B) and poorly-differentiated tonsillar SCC (C). No prominent signs of viral cytopathology are evident within the neoplasms. Hematoxylin and eosin. Bar, 50 μm (A and C) and 100 μm (B).