Cholangitis, SclerosingCholangiocarcinomaCholangitisBile Ducts, IntrahepaticBile Duct NeoplasmsCholagogues and CholereticsLiver Cirrhosis, BiliaryUrsodeoxycholic AcidBile DuctsAdenoma, Bile DuctCholangiopancreatography, Endoscopic RetrogradeHepatitis, AutoimmuneColitis, UlcerativeCholangiographyLiver TransplantationSclerosisCholangiopancreatography, Magnetic ResonanceCholestasisHLA-B8 AntigenSubacute Sclerosing PanencephalitisHLA-DR Serological SubtypesBile Duct DiseasesInflammatory Bowel DiseasesBile Ducts, ExtrahepaticAutoimmune DiseasesBiliary Tract DiseasesBiliary TractLiver DiseasesEndoscopy, Digestive SystemPancreatitisCholedochostomyLiverGallbladderAutoantibodiesLiver Function TestsConstriction, PathologicCrohn DiseaseBiliary Tract NeoplasmsRecurrenceCholecystitisPulmonary Sclerosing HemangiomaBileBilirubinImmunoglobulin GBiliary Tract Surgical ProceduresRetrospective StudiesAntibodies, Antineutrophil CytoplasmicSteroidsHepatitis, ChronicColectomyPostoperative ComplicationsBiopsyTreatment OutcomeRisk FactorsImmunosuppressive AgentsKlatskin's TumorJejunostomyLiver FailureLiver NeoplasmsAlkaline PhosphataseOpisthorchisOpisthorchiasisBlood Group AntigensHLA-DR AntigensFollow-Up StudiesLactoferrinImmunoenzyme TechniquesRetroperitoneal FibrosisTime FactorsHepatic Duct, CommonPrognosisImmunohistochemistryGraft SurvivalColonGraft RejectionSclerosing SolutionsHLA Antigens