Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
a Human papillomavirus (HPV) chromogenic in situ hybridization (CISH) of an HPV16 positive tonsillar squamous cell carcinoma demonstrating punctate signals (red arrows). b Human papillomavirus (HPV) chromogenic in situ hybridization (CISH) of an HPV16 positive tonsillar squamous cell carcinoma demonstrating punctate (red arrows) and diffuse signals (black arrows). c Diffuse p16INK4a staining of the tonsillar squamous cell carcinoma
