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, CommonSialadenitisBiliary AtresiaHLA-B8 AntigenBile Ducts, ExtrahepaticCommon Bile Duct DiseasesJaundiceImmunoglobulin GHLA-DR Serological SubtypesCholecystectomyConstriction, PathologicBiliary Tract Surgical ProceduresBileInflammatory Bowel DiseasesLiverSex Cord-Gonadal Stromal TumorsBiliary Tract NeoplasmsEndoscopy, Digestive SystemCaroli DiseaseCholestasis, ExtrahepaticGallbladderHistiocytoma, Benign FibrousRecurrenceCholedocholithiasisAcute DiseaseLiver Function TestsMeaslesDilatationAutoantibodiesRetrospective StudiesPostoperative ComplicationsTreatment OutcomeFibrocystic Breast DiseaseCholelithiasisLithiasisCholedochal CystBiopsyCholestasis, IntrahepaticPleurodesisSteroidsAmpulla of VaterPlasma CellsGranuloma, Plasma CellBilirubinAnastomosis, Roux-en-YEpithelioid CellsPeritonitisFollow-Up StudiesAcalculous CholecystitisCrohn DiseaseMediastinitisTomography, X-Ray ComputedCystsImmunohistochemistryTime Factors