[Gallbladder tumor with special reference to preventive cholecystectomy].
D000368:Aged; D002763:Cholecystectomy; D002764:Cholecystitis / Q000150:complications / Q000601:surgery; D005260:Female; D005706:Gallbladder Neoplasms / Q000150:complications / Q000517:prevention & control* / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged