title: The role of radiotherapy.
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy; D006801:Humans; D008223:Lymphoma / Q000532:radiotherapy; D009362:Neoplasm Metastasis; D009364:Neoplasm Recurrence, Local; D009960:Oropharynx; D010610:Pharyngeal Neoplasms / Q000532:radiotherapy*