IleusGallstonesCholangitisCholangitis, SclerosingIntestinal ObstructionIntestinal FistulaBiliary FistulaCholelithiasisJejunal DiseasesIleal DiseasesSigmoid DiseasesCholecystectomyGastroscopesTomography, X-Ray ComputedCholangiopancreatography, Endoscopic RetrogradeGallbladderBileIntestinal Pseudo-ObstructionLaparoscopyUrsodeoxycholic AcidLiver Cirrhosis, BiliaryCholangiographyBile DuctsCholagogues and CholereticsCholecystolithiasisPostoperative ComplicationsRetrospective StudiesCholestasisBile Ducts, IntrahepaticMeconiumCommon Bile DuctCholecystitis, AcuteBile Duct NeoplasmsPancreatitisTokyoCholecystectomy, LaparoscopicCholecystitisBiliary Tract DiseasesBile Duct DiseasesGallbladder DiseasesTreatment OutcomeCholedochostomyBiliary TractBile PigmentsCholangiopancreatography, Magnetic ResonancePortoenterostomy, HepaticCholangiocarcinomaCholedocholithiasisDrainageCommon Bile Duct DiseasesSphincterotomy, Endoscopic