AdenocarcinomaAdenocarcinoma, MucinousImmunohistochemistryPrognosisTumor Markers, BiologicalLung NeoplasmsStomach NeoplasmsEsophageal NeoplasmsPancreatic NeoplasmsAdenocarcinoma, PapillaryNeoplasm StagingCarcinoma, Pancreatic DuctalBarrett EsophagusAdenocarcinoma, Bronchiolo-AlveolarLymphatic MetastasisSurvival RateRetrospective StudiesNeoplasm InvasivenessCardiaSurvival AnalysisGene Expression Regulation, NeoplasticCarcinoma, Signet Ring CellCarcinoma, Squamous CellColonic NeoplasmsTissue Array AnalysisEndometrial NeoplasmsKaplan-Meier EstimateNeoplasm Recurrence, LocalImmunoenzyme TechniquesKeratin-7Neoplasms, Multiple PrimaryCarcinoma, EndometrioidDisease-Free SurvivalAdenocarcinoma, Clear CellCell Line, TumorKi-67 AntigenColorectal NeoplasmsCarcinomaTreatment OutcomePrecancerous ConditionsDisease ProgressionEsophagogastric JunctionProstatic NeoplasmsBiopsyCommon Bile Duct NeoplasmsDNA, NeoplasmNeoplasm MetastasisIntestinal NeoplasmsLiver NeoplasmsFollow-Up StudiesMetaplasiaAmpulla of VaterNeoplasm GradingParanasal Sinus NeoplasmsMultivariate AnalysisSalivary Gland NeoplasmsFatal OutcomeBreast NeoplasmsMutationCarcinoma, Non-Small-Cell LungTumor Suppressor Protein p53Carcinoma, AdenosquamousReverse Transcriptase Polymerase Chain ReactionNeoplasm ProteinsBile Duct NeoplasmsDuodenal NeoplasmsGastrectomyPancreaticoduodenectomyPancreatectomyRectal NeoplasmsOvarian NeoplasmsIn Situ Hybridization, FluorescenceAdenomaGenes, rasCarcinoma, Acinar CellGallbladder NeoplasmsTumor Cells, CulturedCarcinoma, NeuroendocrineCombined Modality TherapyRNA, MessengerKeratinsProportional Hazards ModelsCarcinoma, PapillaryPolymerase Chain ReactionGastrointestinal NeoplasmsGene Expression ProfilingPredictive Value of TestsMicrosatellite InstabilityKeratin-20Lymph NodesImmunophenotypingAppendiceal NeoplasmsCarcinoma, Adenoid CysticCarcinoembryonic AntigenAntigens, NeoplasmLymphoma, Large-Cell, ImmunoblasticAntineoplastic AgentsTime FactorsReceptor, Epidermal Growth FactorCecal Neoplasms