title: Preoperative irradiation for carcinoma of mouth, larynx, and hypopharynx.
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy*; D006801:Humans; D007822:Laryngeal Neoplasms / Q000532:radiotherapy*; D008207:Lymphatic Metastasis; D009062:Mouth Neoplasms / Q000532:radiotherapy*; D010610:Pharyngeal Neoplasms / Q000532:radiotherapy*; D011300:Preoperative Care; D011379:Prognosis