Cystadenoma, MucinousCystadenocarcinoma, MucinousNeoplasms, Cystic, Mucinous, and SerousPancreatic CystCystadenoma, SerousBile Duct NeoplasmsCystadenomaCommon Bile Duct NeoplasmsBile DuctsCyst FluidPancreatic NeoplasmsCystadenocarcinomaPancreatic PseudocystAdenocarcinoma, MucinousMesenteric CystCarcinoma, Pancreatic DuctalCommon Bile DuctPancreatectomyBileCystsBile Duct DiseasesBile Ducts, ExtrahepaticBile Acids and SaltsMucinsPregnancy Complications, NeoplasticBile Ducts, IntrahepaticPancreasCholangiopancreatography, Endoscopic RetrogradeEndosonographyCommon Bile Duct DiseasesPancreatic DuctsCholestasisTumor Markers, BiologicalAdenoma, Bile DuctGallstonesAdenocarcinoma, PapillaryHepatic Duct, CommonCholangiographyTomography, X-Ray ComputedCholestasis, ExtrahepaticPancreaticoduodenectomyCarcinoma, PapillaryCystic DuctCystadenocarcinoma, SerousBiopsy, Fine-NeedleNeoplasmsCholelithiasisThoracic DuctCholecystectomy, LaparoscopicImmunohistochemistryJaundice, ObstructiveBiliary TractBiliary Tract Surgical ProceduresCholecystectomyCholangitisLigationCholedocholithiasisSphincterotomy, EndoscopicRetrospective StudiesGallbladderNeoplasms, Multiple PrimaryBiliary Tract DiseasesDNA, NeoplasmNeoplasm InvasivenessSalivary DuctsCholangiopancreatography, Magnetic ResonanceLiverSkin NeoplasmsBile PigmentsAmpulla of VaterBile CanaliculiCholangiocarcinomaTreatment OutcomeLiver NeoplasmsKidney NeoplasmsGallbladder NeoplasmsMagnetic Resonance ImagingBiliary FistulaNeoplasms, Second PrimaryWolffian DuctsSphincter of OddiBiliary Tract NeoplasmsCholestasis, IntrahepaticThyroid NeoplasmsMullerian DuctsMyeloproliferative DisordersBile RefluxCholedochal CystLiver Cirrhosis, BiliaryBiliary AtresiaTaurocholic AcidPancreatitisDrainageCholedochostomyParotid NeoplasmsLung NeoplasmsUrsodeoxycholic AcidNeoplasms, Connective and Soft TissueNeoplasms, Plasma CellDNA Mutational Analysis