Cystadenoma, MucinousCystadenocarcinoma, MucinousNeoplasms, Cystic, Mucinous, and SerousPancreatic CystCystadenoma, SerousBile Duct NeoplasmsCystadenomaCommon Bile Duct NeoplasmsPancreatic NeoplasmsCyst FluidAdenocarcinoma, MucinousBile DuctsCystadenocarcinomaCarcinoma, Pancreatic DuctalPancreatic PseudocystMesenteric CystPancreatectomyCommon Bile DuctPapilloma, IntraductalBileCystsBile Ducts, ExtrahepaticBile Duct DiseasesBile Acids and SaltsBile Ducts, IntrahepaticMucinsAdenocarcinoma, PapillaryPregnancy Complications, NeoplasticPancreasCarcinoma, PapillaryCholangiopancreatography, Endoscopic RetrogradePancreatic DuctsEndosonographyCarcinoma, Intraductal, NoninfiltratingTumor Markers, BiologicalCommon Bile Duct DiseasesPancreaticoduodenectomyCholestasisGallstonesHepatic Duct, CommonTomography, X-Ray ComputedCholangiographyAdenoma, Bile DuctNeoplasmsCholestasis, ExtrahepaticImmunohistochemistryNeoplasms, Multiple PrimaryCholangiopancreatography, Magnetic ResonanceNeoplasm InvasivenessBiopsy, Fine-NeedleCystic DuctCystadenocarcinoma, SerousDNA, NeoplasmJaundice, ObstructiveRetrospective StudiesBiliary Tract Surgical ProceduresSalivary DuctsSkin NeoplasmsCholelithiasisThoracic DuctCholecystectomy, LaparoscopicNipplesLiver NeoplasmsBiliary Tract DiseasesCholecystectomyPancreatitisBiliary TractCholangiocarcinomaKidney NeoplasmsCholangitisCarcinoma in SituNeoplasms, Second PrimaryAmpulla of VaterLigationCholedocholithiasisTreatment OutcomeSphincterotomy, EndoscopicMagnetic Resonance ImagingGallbladderThyroid NeoplasmsCarcinoma, DuctalCystadenoma, PapillaryMyeloproliferative DisordersBreast NeoplasmsLiverAdenomaParotid NeoplasmsLithiasisLung NeoplasmsPancreatic JuiceGallbladder NeoplasmsAdenocarcinomaNeoplasm StagingNeoplasms, Connective and Soft TissueNeoplasms, Plasma CellAppendiceal NeoplasmsBile PigmentsCarcinoma, Acinar CellBile CanaliculiEndoscopy, Digestive System