Bile Ducts, ExtrahepaticBileBile DuctsCholestasis, ExtrahepaticCommon Bile DuctBile Duct NeoplasmsBile Duct DiseasesBile Ducts, IntrahepaticBile Acids and SaltsHepatic Duct, CommonPancreatic DuctsCholestasisAdenoma, Bile DuctCystic DuctGallstonesCommon Bile Duct DiseasesCholangiographyCholangiocarcinomaCholangiopancreatography, Endoscopic RetrogradeCommon Bile Duct NeoplasmsBiliary TractThoracic DuctBiliary AtresiaLiverBiliary Tract Surgical ProceduresJaundice, ObstructiveCholangitisSalivary DuctsBiliary Tract NeoplasmsCholelithiasisGallbladderCholecystectomyPortal VeinBiliary Tract DiseasesCholecystectomy, LaparoscopicLigationKlatskin's TumorLiver NeoplasmsWolffian DuctsCholedochal CystCholestasis, IntrahepaticGallbladder NeoplasmsSphincterotomy, EndoscopicCholangiopancreatography, Magnetic ResonanceAmpulla of VaterHepatectomyMullerian DuctsHypertension, PortalJaundiceCholedocholithiasisCholedochostomyDrainageHepatic ArteryLiver DiseasesPortoenterostomy, HepaticBilirubinKidney Tubules, CollectingJejunostomy