Bile Duct NeoplasmsBile Ducts, ExtrahepaticBile DuctsBile Ducts, IntrahepaticCommon Bile DuctBileBiliary Tract NeoplasmsAdenoma, Bile DuctHepatic Duct, CommonCommon Bile Duct NeoplasmsBile Duct DiseasesBile Acids and SaltsBiliary Tract Surgical ProceduresCholangiocarcinomaGallstonesGallbladder NeoplasmsCholestasis, ExtrahepaticAmpulla of VaterCholedochal CystCommon Bile Duct DiseasesCholestasisPancreaticoduodenectomyDrainageHepatectomyPancreatic DuctsCholangiopancreatography, Endoscopic RetrogradeCholangiographyCystic DuctBiliary TractCholelithiasisJaundice, ObstructiveCholangitisCholecystectomy, LaparoscopicCholecystectomyThoracic DuctLiverAdenocarcinomaLigationGallbladderBiliary Tract DiseasesRetrospective StudiesSurvival RateSphincterotomy, EndoscopicPreoperative CareCholedocholithiasisBiliary AtresiaTreatment OutcomeCholangiopancreatography, Magnetic ResonanceImmunohistochemistrySalivary DuctsCholestasis, IntrahepaticPrognosisBile PigmentsBile CanaliculiBiliary FistulaWolffian DuctsCholedochostomyLiver Cirrhosis, BiliarySphincter of OddiJaundiceBilirubinLiver NeoplasmsMullerian DuctsPortal VeinBile RefluxKlatskin's TumorCholangitis, SclerosingPancreatitisJejunostomyUrsodeoxycholic AcidTaurocholic AcidLiver DiseasesCholagogues and CholereticsHepatic ArteryPancreatic NeoplasmsCholic AcidsChenodeoxycholic AcidAnastomosis, Roux-en-YCholecystitisKidney Tubules, CollectingLithiasisNeoplasm Recurrence, Local1-NaphthylisothiocyanateNasolacrimal DuctDilatation, PathologicEarly Detection of CancerIatrogenic DiseaseImino AcidsPostoperative ComplicationsEndoscopyTomography, X-Ray ComputedEjaculatory DuctsHypertension, PortalAnastomosis, SurgicalLithotripsyLiver CirrhosisDeoxycholic AcidCholic AcidDuodenumIntraoperative Complications