CholangitisCholangitis, SclerosingSubacute Sclerosing PanencephalitisSclerosisPulmonary Sclerosing HemangiomaLiver Cirrhosis, BiliaryCholangiopancreatography, Endoscopic RetrogradeBile DuctsCholagogues and CholereticsUrsodeoxycholic AcidBile Ducts, IntrahepaticBile Duct NeoplasmsCholestasisCholangiographySclerosing SolutionsCholangiocarcinomaAdenoma, Bile DuctCholangiopancreatography, Magnetic ResonanceHepatitis, AutoimmuneLiver TransplantationTokyoBile Duct DiseasesSSPE VirusCholedochostomyColitis, UlcerativeBiliary Tract DiseasesMeasles virusPancreatitisAutoimmune DiseasesPortoenterostomy, HepaticJejunostomyGallstonesSphincterotomy, EndoscopicPanniculitis, PeritonealRetroperitoneal FibrosisCholecystitis, AcuteCommon Bile DuctDrainageJaundice, ObstructiveCholecystitisBiliary TractLiver DiseasesHepatic Duct, CommonBiliary AtresiaSialadenitisHLA-B8 AntigenImmunoglobulin GBile Ducts, ExtrahepaticJaundiceCommon Bile Duct DiseasesHLA-DR Serological SubtypesCholecystectomyConstriction, PathologicBileLiverBiliary Tract Surgical ProceduresInflammatory Bowel DiseasesSex Cord-Gonadal Stromal TumorsBiliary Tract NeoplasmsEndoscopy, Digestive SystemGallbladderCholestasis, ExtrahepaticCaroli DiseaseHistiocytoma, Benign FibrousRecurrenceAcute DiseaseRetrospective StudiesCholedocholithiasisLiver Function TestsMeaslesTreatment OutcomeDilatationAutoantibodiesPostoperative ComplicationsFibrocystic Breast DiseaseCholelithiasisBiopsyLithiasisCholedochal CystSteroidsCholestasis, IntrahepaticPleurodesisAmpulla of VaterPlasma CellsGranuloma, Plasma CellBilirubinFollow-Up StudiesAnastomosis, Roux-en-YTime FactorsEpithelioid CellsPeritonitisImmunohistochemistryCrohn DiseaseAcalculous CholecystitisTomography, X-Ray ComputedRisk FactorsMediastinitisCysts