title: Primary sarcoma of the gallbladder.
mesh_terms: D000368:Aged; D002763:Cholecystectomy; D005260:Female; D005704:Gallbladder / Q000473:pathology*; D005706:Gallbladder Neoplasms / Q000473:pathology* / Q000601:surgery; D006801:Humans; D011379:Prognosis; D012509:Sarcoma / Q000473:pathology* / Q000601:surgery