Patterns of Nodal Metastases and Predictors of Occult Disease in HPV‐Associated Oropharynx Cancer

Objective For human papilloma virus–associated oropharynx squamous cell carcinoma (HPV+ OPSCC), we evaluated the distribution of neck‐level lymph node (LN) metastasis, based on postsurgical histopathology, and the incidence of and risk factors for occult LN metastases, as these patterns need clarification for this newer cancer subset. Study Design Retrospective cohort study. Setting National Cancer Database (NCDB). Methods We analyzed 2358...