Indications of silent stones in aged patients for surgery.
D000367:Age Factors; D000368:Aged; D002769:Cholelithiasis / Q000150:complications / Q000175:diagnosis / Q000453:epidemiology* / Q000601:surgery; D005706:Gallbladder Neoplasms / Q000150:complications / Q000453:epidemiology; D006801:Humans; D007564:Japan; D008875:Middle Aged