Preoperative versus postoperative radiation in the treatment of squamous carcinoma of the paranasal sinuses.
D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy* / Q000601:surgery*; D006801:Humans; D008875:Middle Aged; D010255:Paranasal Sinus Neoplasms / Q000532:radiotherapy* / Q000601:surgery*; D011379:Prognosis