Irradiation twenty-four hours preoperatively.
D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy* / Q000601:surgery; D006801:Humans; D007822:Laryngeal Neoplasms / Q000532:radiotherapy* / Q000601:surgery; D009062:Mouth Neoplasms / Q000532:radiotherapy* / Q000601:surgery; D009362:Neoplasm Metastasis; D009364:Neoplasm Recurrence, Local / Q000517:prevention & control; D010610:Pharyngeal Neoplasms / Q000532:radiotherapy* / Q000601:surgery; D011300:Preoperative Care; D013997:Time Factors