Neoplasms, Cystic, Mucinous, and SerousCommon Bile Duct NeoplasmsBile Duct NeoplasmsCystadenoma, MucinousBile DuctsCystadenocarcinoma, MucinousPancreatic CystCystadenomaCommon Bile DuctCystadenocarcinomaCystadenoma, SerousBilePancreatic NeoplasmsBile Duct DiseasesBile Ducts, ExtrahepaticBile Acids and SaltsCyst FluidPancreatic PseudocystAdenocarcinoma, MucinousBile Ducts, IntrahepaticPancreatectomyPathologyCarcinoma, Pancreatic DuctalMesenteric CystCholangiopancreatography, Endoscopic RetrogradeEndosonographyPathology, ClinicalCystsCommon Bile Duct DiseasesPancreatic DuctsCholestasisAdenoma, Bile DuctGallstonesAdenocarcinoma, PapillaryHepatic Duct, CommonCholangiographyTomography, X-Ray ComputedMucinsCholestasis, ExtrahepaticPancreaticoduodenectomyCarcinoma, PapillaryPancreasCystic DuctBiopsy, Fine-NeedlePathology, SurgicalCystadenocarcinoma, SerousImmunohistochemistryNeoplasmsPathology, VeterinaryCholelithiasisThoracic DuctCholecystectomy, LaparoscopicPathology Department, HospitalTumor Markers, BiologicalRetrospective StudiesPregnancy Complications, NeoplasticJaundice, ObstructiveBiliary TractBiliary Tract Surgical ProceduresCholecystectomyCholangitis