CholecystitisAcalculous CholecystitisCholecystitis, AcuteCholecystostomyGallbladderEmphysematous CholecystitisCholecystectomyCholecystectomy, LaparoscopicImino AcidsCholecystographyGallbladder DiseasesTokyoGallbladder NeoplasmsTechnetium Tc 99m DisofeninCholelithiasisXanthomatosisCholecystolithiasisGallstonesGangreneCholangitisAcute DiseaseCystic DuctHemobiliaBiliary Tract DiseasesTechnetium Tc 99m LidofeninConversion to Open Surgery