Ampulla of VaterCommon Bile Duct NeoplasmsBile Duct NeoplasmsBile DuctsCommon Bile DuctBileBile Duct DiseasesBile Acids and SaltsBile Ducts, ExtrahepaticBile Ducts, IntrahepaticCommon Bile Duct DiseasesPancreatic DuctsCholangiopancreatography, Endoscopic RetrogradeGallstonesCholestasisFallopian TubesAdenoma, Bile DuctCholangiographyHepatic Duct, CommonPancreaticoduodenectomyCholestasis, ExtrahepaticCystic DuctCholelithiasisBiliary Tract NeoplasmsBiliary Tract Surgical ProceduresJaundice, ObstructiveSphincterotomy, EndoscopicThoracic DuctCholecystectomy, LaparoscopicPancreatic NeoplasmsBiliary Tract DiseasesDuodenal NeoplasmsBiliary TractCholecystectomyCholangitisLigationJaundiceDuodenoscopyCholedocholithiasisGallbladderSalivary DuctsGallbladder NeoplasmsLiverCholangiopancreatography, Magnetic ResonanceSperm TransportNeoplasms, Multiple PrimaryBile PigmentsBile CanaliculiPancreatitisCholangiocarcinomaImmunohistochemistryBiliary FistulaDuodenumWolffian DuctsAdenocarcinomaOvum TransportSphincter of OddiNeoplasmsCholestasis, IntrahepaticMullerian DuctsBile RefluxCholedochal CystLiver Cirrhosis, BiliaryBiliary AtresiaTaurocholic AcidKeratin-7Carcinoid TumorDuodenal DiseasesHair Cells, AmpullaNeoplasms, Cystic, Mucinous, and SerousCholedochostomyDrainageEndosonographyUrsodeoxycholic AcidDuodenoscopesBilirubinEndolymphSemicircular CanalsTomography, X-Ray ComputedCarcinoma, Signet Ring CellRetrospective StudiesCholangitis, SclerosingAdenocarcinoma, PapillaryCholic AcidsChenodeoxycholic AcidJejunostomyLiver NeoplasmsKidney Tubules, CollectingCarcinoma, NeuroendocrineCholagogues and CholereticsEpitheliumTreatment OutcomePancreasLiver DiseasesPancreatectomyPostoperative ComplicationsMixed Tumor, MalignantAdenomaOviductsNasolacrimal Duct