title: Changing concepts in head and neck surgical oncology.
mesh_terms: D002173:Cancer Care Facilities; D002294:Carcinoma, Squamous Cell / Q000453:epidemiology / Q000209:etiology; D006258:Head and Neck Neoplasms / Q000401:mortality / Q000601:surgery; D006801:Humans; D008495:Medical Oncology / Q000639:trends*; D009062:Mouth Neoplasms / Q000453:epidemiology / Q000209:etiology; D012907:Smoking; D014481:United States