CholangitisCholangitis, SclerosingSubacute Sclerosing PanencephalitisBile DuctsSclerosisPulmonary Sclerosing HemangiomaCholangiopancreatography, Endoscopic RetrogradeLiver Cirrhosis, BiliaryCholagogues and CholereticsUrsodeoxycholic AcidCholangiographyCholestasisBile Ducts, IntrahepaticBile Duct DiseasesCommon Bile DuctBile Duct NeoplasmsPancreatic DuctsSclerosing SolutionsAdenoma, Bile DuctCholangiocarcinomaBile Ducts, ExtrahepaticHepatic Duct, CommonCholangiopancreatography, Magnetic ResonanceLiver TransplantationHepatitis, AutoimmuneCholedochostomyThoracic DuctTokyoSSPE VirusBiliary Tract DiseasesPancreatitisColitis, UlcerativeGallstonesMeasles virusCystic DuctAutoimmune DiseasesSphincterotomy, EndoscopicJejunostomyPortoenterostomy, HepaticSalivary DuctsJaundice, ObstructiveBiliary TractDrainageCholecystitisCholecystitis, AcutePanniculitis, PeritonealRetroperitoneal FibrosisLiver DiseasesBiliary AtresiaBiliary Tract Surgical ProceduresJaundiceCholestasis, ExtrahepaticSialadenitisWolffian DuctsHLA-B8 AntigenBileImmunoglobulin GCommon Bile Duct DiseasesLiverHLA-DR Serological SubtypesGallbladderCholecystectomyConstriction, PathologicMullerian DuctsCholedocholithiasisInflammatory Bowel DiseasesCholelithiasisSex Cord-Gonadal Stromal TumorsBiliary Tract NeoplasmsEndoscopy, Digestive SystemCaroli DiseaseCholedochal CystDilatationHistiocytoma, Benign FibrousRetrospective StudiesLiver Function TestsRecurrenceAcute DiseasePostoperative ComplicationsTreatment OutcomeAmpulla of VaterKidney Tubules, CollectingCholestasis, IntrahepaticLithiasisAutoantibodiesMeaslesFibrocystic Breast DiseaseNasolacrimal DuctBiopsyAnastomosis, Roux-en-YEjaculatory DuctsBilirubinSteroidsPleurodesisImmunohistochemistryPlasma CellsGranuloma, Plasma CellFollow-Up StudiesLacrimal Duct ObstructionCysts