CholangiocarcinomaBile Ducts, ExtrahepaticBile Duct NeoplasmsBile Ducts, IntrahepaticKlatskin's TumorRetrospective StudiesCholestasis, IntrahepaticCholestasis, ExtrahepaticAdenoma, Bile DuctSurvival RateLiver NeoplasmsPortasystemic Shunt, Transjugular IntrahepaticHepatic Duct, CommonOpisthorchiasisOpisthorchisBiliary Tract Surgical ProceduresBile DuctsHepatectomyLiverPortal VeinBiliary Tract NeoplasmsCholangitis, SclerosingLithiasisBiliary TractCholestasisCholangiographyCarcinoma, HepatocellularCholangitisGallbladder NeoplasmsCholangiopancreatography, Endoscopic RetrogradeHypertension, Portal