IleusGallstonesCholangitisCholangitis, SclerosingIntestinal ObstructionIntestinal FistulaBiliary FistulaCholelithiasisJejunal DiseasesIleal DiseasesSigmoid DiseasesCholecystectomyGastroscopesCholangiopancreatography, Endoscopic RetrogradeTomography, X-Ray ComputedGallbladderBileIntestinal Pseudo-ObstructionUrsodeoxycholic AcidLiver Cirrhosis, BiliaryCholangiographyLaparoscopyCholagogues and CholereticsBile DuctsCholecystolithiasisCholestasisBile Ducts, IntrahepaticMeconiumCommon Bile DuctCholecystitis, AcuteBile Duct NeoplasmsPancreatitisTokyoCholecystitisRetrospective StudiesCholecystectomy, LaparoscopicBiliary Tract DiseasesBile Duct DiseasesGallbladder DiseasesBile PigmentsCholedochostomyBiliary TractPostoperative ComplicationsCholangiopancreatography, Magnetic ResonancePortoenterostomy, HepaticCholangiocarcinomaCholedocholithiasisCommon Bile Duct DiseasesSphincterotomy, Endoscopic