AdenocarcinomaCarcinoma, Pancreatic DuctalPancreatic NeoplasmsAdenocarcinoma, MucinousCarcinoma, Ductal, BreastPancreatic DuctsCarcinoma, Acinar CellCarcinoma, DuctalImmunohistochemistryAdenocarcinoma, PapillaryTumor Markers, BiologicalLung NeoplasmsPancreaticoduodenectomyPancreatectomyEsophageal NeoplasmsCarcinoma in SituPancreasCell Line, TumorBarrett EsophagusPrognosisGenes, rasStomach NeoplasmsAdenocarcinoma, Bronchiolo-AlveolarPancreatitis, ChronicGene Expression Regulation, NeoplasticNeoplasm InvasivenessTissue Array AnalysisNeoplasm StagingPrecancerous ConditionsCardiaCystadenocarcinoma, MucinousNeoplasms, Multiple PrimaryCarcinoma, Intraductal, NoninfiltratingColonic NeoplasmsSmad4 ProteinMetaplasiaProto-Oncogene Proteins p21(ras)Disease ProgressionKaplan-Meier EstimateAmpulla of VaterCA-19-9 AntigenTumor Cells, CulturedLymphatic MetastasisEsophagogastric JunctionCystadenoma, Mucinousras ProteinsDeoxycytidineMice, NudeReverse Transcriptase Polymerase Chain ReactionImmunoenzyme TechniquesPancreatic JuicePancreatitisSurvival RateNeoplasm ProteinsKeratin-7Neoplasm MetastasisAcinar CellsCell ProliferationGene Expression ProfilingSurvival AnalysisCommon Bile Duct NeoplasmsCarcinoma, AdenosquamousCystadenoma, PapillaryNeoplasm TransplantationRNA, MessengerCell Transformation, NeoplasticCarcinoma, Islet CellDNA, NeoplasmMutationCyclic S-OxidesCarcinoma, Squamous CellRetrospective StudiesProstatic NeoplasmsMucinsBreast NeoplasmsEndometrial NeoplasmsMucin-1Lacrimal Apparatus DiseasesCarcinoma, PapillaryFatal OutcomeTumor Suppressor Protein p53Treatment OutcomeMammary Neoplasms, ExperimentalCarcinoembryonic AntigenIntestinal NeoplasmsHSP47 Heat-Shock ProteinsAntineoplastic AgentsKeratinsNeoplasm GradingOligonucleotide Array Sequence AnalysisDuodenal NeoplasmsPancreatic CystCystadenocarcinomaSignal TransductionReceptor, Epidermal Growth FactorNeoplasm Recurrence, LocalCarcinoma, Signet Ring CellCystadenoma, SerousCarcinoma, EndometrioidBiopsy