Adenocarcinoma, MucinousAdenocarcinomaAppendiceal NeoplasmsCarcinoma, Signet Ring CellCystadenoma, MucinousCystadenocarcinoma, MucinousPseudomyxoma PeritoneiCystadenomaCystadenoma, PapillaryPancreatic CystCystadenoma, SerousRectal FistulaCystadenocarcinomaCecal NeoplasmsUrachal CystCalymmatobacteriumPerineumPancreatic NeoplasmsImmunohistochemistryNeoplasms, Cystic, Mucinous, and SerousCystsMucin-2Tumor Markers, BiologicalOvarian NeoplasmsAdenocarcinoma, PapillaryPancreatic PseudocystMucinsStomach NeoplasmsColorectal NeoplasmsNeoplasm StagingNeoplasms, Complex and MixedTomography, X-Ray ComputedColonic NeoplasmsNeuroendocrine TumorsCystadenocarcinoma, PapillaryLymphangioma, CysticMucoceleCell Line, TumorLung NeoplasmsPancreatectomyIndium RadioisotopesRectal NeoplasmsPrognosisMicrosatellite InstabilityPositron-Emission TomographyOvarian CystsMelanoma, ExperimentalNeoplasm MetastasisSkin NeoplasmsCyst FluidRadiopharmaceuticalsPancreatic DiseasesNeoplasm TransplantationReceptors, SomatostatinLymphocytes, Tumor-InfiltratingLiver NeoplasmsKaplan-Meier EstimateHepatic Duct, CommonPancreatic DuctsUltimobranchial BodyLymphangiomaEsophageal NeoplasmsMagnetic Resonance ImagingAntibodies, MonoclonalMelanomaTumor BurdenBiliary Tract Surgical ProceduresTumor Necrosis Factor-alphaCraniopharyngiomaCarcinoma, Pancreatic DuctalBile Duct NeoplasmsIodine RadioisotopesCarcinoma in SituBarrett EsophagusAdenocarcinoma, Bronchiolo-AlveolarHeart NeoplasmsAtrioventricular NodeTreatment OutcomeRetrospective StudiesNeoplasms, ExperimentalCholangiopancreatography, Endoscopic RetrogradeTumor Cells, CulturedTumor Suppressor Protein p53Mammary Neoplasms, ExperimentalGenes, Tumor SuppressorCarcinoid TumorCarcinoma, Squamous CellPancreasWilms Tumor