Head and neck surgery in patients past 70.
D000368:Aged; D005260:Female; D006257:Head / Q000601:surgery*; D006801:Humans; D008297:Male; D009026:Mortality; D009333:Neck / Q000601:surgery*; D037981:Neck Dissection; D011183:Postoperative Complications; D011379:Prognosis; D013223:Statistics as Topic