Mortality in surgery for head and neck cancer.
D000367:Age Factors; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000601:surgery; D004423:Ear / Q000601:surgery; D006257:Head; D006258:Head and Neck Neoplasms / Q000401:mortality* / Q000601:surgery; D006801:Humans; D007830:Larynx / Q000601:surgery; D008875:Middle Aged; D009055:Mouth / Q000601:surgery; D009305:Nasopharynx / Q000601:surgery; D009369:Neoplasms / Q000401:mortality* / Q000601:surgery; D009666:Nose / Q000601:surgery; D013508:Ophthalmologic Surgical Procedures; D011183:Postoperative Complications / Q000401:mortality; D012469:Salivary Glands / Q000601:surgery; D013514:Surgical Procedures, Operative / Q000401:mortality*