While cancers of the oral cavity and oropharynx were overwhelming found in smokers and drinkers, a dramatic shift is occurring with a dramatic rise in the incidence of HPV-associated oropharyngeal cancers while oral cavity cancers and HPV-negative oropharyngeal cancers appear to be declining in incidence, reflecting the reduction in cigarette smoking. These trends also have implications for how Otolaryngologists prevent, diagnose, workup, treat, and...