[Limitations of geriatric surgery--evaluation based on mortality].
D000368:Aged; D005260:Female; D005767:Gastrointestinal Diseases / Q000601:surgery; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000601:surgery; D011183:Postoperative Complications / Q000401:mortality*; D013514:Surgical Procedures, Operative