IleusGallstonesCholangitisCholangitis, SclerosingIntestinal ObstructionBileIntestinal FistulaBiliary FistulaCholelithiasisJejunal DiseasesIleal DiseasesSigmoid DiseasesCholecystectomyBile Acids and SaltsGastroscopesBile DuctsGallbladderCholangiopancreatography, Endoscopic RetrogradeTomography, X-Ray ComputedUrsodeoxycholic AcidCommon Bile DuctIntestinal Pseudo-ObstructionBile Ducts, IntrahepaticCholangiographyCholestasisCholagogues and CholereticsLiver Cirrhosis, BiliaryBile Duct NeoplasmsBile Duct DiseasesLaparoscopyBile PigmentsCholecystolithiasisMeconiumCholecystitis, AcuteBiliary Tract DiseasesPancreatitisCholecystectomy, LaparoscopicBiliary TractCholecystitisTokyoRetrospective StudiesGallbladder DiseasesCommon Bile Duct DiseasesChenodeoxycholic AcidCholedochostomyPostoperative ComplicationsCholangiocarcinomaBile Ducts, ExtrahepaticBilirubinCholedocholithiasisAdenoma, Bile DuctCholangiopancreatography, Magnetic ResonancePortoenterostomy, HepaticSphincterotomy, EndoscopicCholesterolLiverDrainageBiliary Tract NeoplasmsJaundice, ObstructiveHepatic Duct, Common