Pancreatic DuctsAdenocarcinoma, MucinousAdenocarcinomaAppendiceal NeoplasmsCarcinoma, Signet Ring CellBile DuctsEpitheliumPseudomyxoma PeritoneiWolffian DuctsRectal FistulaCystadenoma, MucinousCecal NeoplasmsBile Ducts, IntrahepaticImmunohistochemistryUrachal CystCalymmatobacteriumCystadenocarcinoma, MucinousPerineumPancreatic NeoplasmsKidney Tubules, CollectingBile Ducts, ExtrahepaticPancreatitisMucinsMucin-2Cholangiopancreatography, Endoscopic RetrogradeUreterCholangiocarcinomaCalculiEpithelial CellsPancreatic DiseasesPancreasColorectal NeoplasmsStomach NeoplasmsNeoplasm StagingPancreatitis, ChronicBile Duct NeoplasmsOvarian NeoplasmsSemicircular CanalsCarcinoma, Pancreatic DuctalTumor Markers, BiologicalCommon Bile DuctPancreaticojejunostomyPancreatic JuiceCholangiopancreatography, Magnetic ResonanceColonic NeoplasmsPancreatic FistulaPrognosisRectal NeoplasmsMicrosatellite InstabilityEpididymisLiverChlorides