Carcinoma, Pancreatic DuctalAdenocarcinomaPancreatic NeoplasmsPancreatic DuctsAdenocarcinoma, MucinousCarcinoma, Acinar CellImmunohistochemistryPancreatitis, ChronicTumor Markers, BiologicalPancreasPancreaticoduodenectomyPancreatectomyCell Line, TumorGenes, rasCarcinoma, Ductal, BreastGene Expression Regulation, NeoplasticCarcinoma in SituPrognosisAdenocarcinoma, PapillaryNeoplasm InvasivenessTissue Array AnalysisProto-Oncogene Proteins p21(ras)Smad4 ProteinPancreatic JuiceLung NeoplasmsNeoplasm StagingPancreatitisAcinar CellsPrecancerous ConditionsCarcinoma, DuctalCyclic S-OxidesMice, NudeDisease ProgressionDeoxycytidineKaplan-Meier EstimateCA-19-9 AntigenReverse Transcriptase Polymerase Chain ReactionNeoplasm Metastasisras ProteinsGene Expression ProfilingStomach NeoplasmsEsophageal NeoplasmsCell ProliferationNeoplasms, Multiple PrimaryCell Transformation, NeoplasticNeoplasm ProteinsMetaplasiaSurvival AnalysisHSP47 Heat-Shock ProteinsAmpulla of VaterSurvival RatePancreatic Stellate CellsCystadenoma, PapillaryMutationTumor Cells, CulturedTumor MicroenvironmentRNA, MessengerNeoplasm TransplantationSignal TransductionBarrett EsophagusCarcinoma, PapillaryColonic Neoplasmsgamma-SynucleinAntineoplastic AgentsBreast NeoplasmsAdenocarcinoma, Bronchiolo-AlveolarOligonucleotide Array Sequence AnalysisLymphatic MetastasisXenograft Model Antitumor AssaysTumor Suppressor Protein p53Neoplasm GradingGenes, Tumor SuppressorMucin-1Cystadenocarcinoma, MucinousTumor BurdenDNA, NeoplasmProstatic NeoplasmsRetrospective StudiesCarcinoma, Intraductal, NoninfiltratingRNA, Small InterferingCell Growth ProcessesMicroRNAsImmunoenzyme TechniquesNeoplasm Recurrence, LocalDisease Models, AnimalTreatment OutcomePreoperative PeriodProto-Oncogene ProteinsRNA, NeoplasmDrug Resistance, NeoplasmCadherinsCardiaTransplantation, HeterologousUp-RegulationApoptosisStromal CellsCyclin-Dependent Kinase Inhibitor p16NitrosaminesGene SilencingFatal Outcome