Preoperative irradiation for neck dissection.
D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy*; D005260:Female; D006257:Head; D006258:Head and Neck Neoplasms / Q000517:prevention & control / Q000532:radiotherapy*; D006801:Humans; D008297:Male; D037981:Neck Dissection; D009364:Neoplasm Recurrence, Local / Q000517:prevention & control*; D009369:Neoplasms / Q000517:prevention & control / Q000532:radiotherapy; D011300:Preoperative Care; D011879:Radiotherapy Dosage