Prevalence of p16 expression in oropharyngeal squamous cell carcinoma in southern Brazil

Our aim was to evaluate the prevalence of human papillomavirus (HPV)-positive tumors in a cohort of patients with oropharyngeal squamous cell carcinoma (OPSCC) at a single center in southern Brazil and determine the short-term prognostic factors in this sample.Ninety-one consecutive patients with newly diagnosed primary OPSCC between January 2017 and December 2019 were retrospectively included. Demographic, clinical, pathologic, and survival...