AdenocarcinomaAdenocarcinoma, Bronchiolo-AlveolarNeoplasm InvasivenessAdenocarcinoma, MucinousCarcinoma in SituCarcinoma, Pancreatic DuctalBarrett EsophagusPrecancerous ConditionsColon, TransverseAdenomaPancreatic NeoplasmsIntestinal PolypsProstatic Intraepithelial NeoplasiaLung NeoplasmsImmunohistochemistryUterine Cervical NeoplasmsColonic NeoplasmsProstateBiopsyProstatic NeoplasmsTumor Markers, BiologicalHyperplasiaPrognosisDisease ProgressionCell Transformation, NeoplasticEsophageal NeoplasmsAdenocarcinoma, PapillaryStomach NeoplasmsCardiaDelayed DiagnosisSensitivity and SpecificityEarly DiagnosisPrenatal DiagnosisRetrospective StudiesNeoplasm StagingEsophagogastric JunctionKeratin-7Carcinoma, Squamous CellGene Expression Regulation, NeoplasticCell Line, TumorNeoplasms, Multiple PrimaryEndometrial NeoplasmsTomography, X-Ray ComputedDiagnosisTreatment OutcomeIntestinal NeoplasmsFatal OutcomeImmunoenzyme TechniquesPredictive Value of TestsTime FactorsPolymerase Chain ReactionDiagnostic ErrorsDuodenal NeoplasmsSurvival RateColorectal NeoplasmsTumor Cells, CulturedCarcinoma, Signet Ring CellRisk FactorsCecal NeoplasmsMetaplasiaCarcinoma, EndometrioidAdenocarcinoma, Clear CellFollow-Up StudiesSurvival AnalysisRectal NeoplasmsMammary Neoplasms, ExperimentalBiopsy, NeedleAmpulla of VaterCommon Bile Duct NeoplasmsMutationIleal NeoplasmsCase-Control StudiesProspective StudiesGenes, rasNeoplasm MetastasisLymphatic MetastasisTissue Array AnalysisKeratin-20PancreaticoduodenectomyDNA, NeoplasmReproducibility of ResultsNeoplasm ProteinsJejunal NeoplasmsCarcinoembryonic AntigenEsophagusIncidenceCarcinoma, Non-Small-Cell LungKaplan-Meier EstimateCarcinoma, AdenosquamousCarcinoma, Acinar CellReverse Transcriptase Polymerase Chain ReactionGastrointestinal NeoplasmsAntineoplastic AgentsNeoplasm TransplantationGastrectomyAntigens, NeoplasmParanasal Sinus NeoplasmsRNA, MessengerDiagnosis, Computer-AssistedPancreatectomy