AdenocarcinomaEpitheliumAdenocarcinoma, MucinousLung NeoplasmsEsophageal NeoplasmsPancreatic NeoplasmsBarrett EsophagusAdenocarcinoma, PapillaryImmunohistochemistryCarcinoma, Pancreatic DuctalStomach NeoplasmsAdenocarcinoma, Bronchiolo-AlveolarEpithelium, CornealEpithelial CellsCardiaColonic NeoplasmsTumor Markers, BiologicalSeminiferous EpitheliumRetinal Pigment EpitheliumPrecancerous ConditionsEsophagogastric JunctionMetaplasiaGene Expression Regulation, NeoplasticCell Line, TumorNeoplasm StagingCarcinoma, Squamous CellPrognosisKeratin-7Intestinal MucosaImmunoenzyme TechniquesRNA, MessengerIntestinal NeoplasmsEndometrial NeoplasmsOlfactory MucosaEsophagusNeoplasms, Multiple PrimaryProstatic NeoplasmsTumor Cells, CulturedKeratinsReverse Transcriptase Polymerase Chain ReactionMammary Neoplasms, ExperimentalRespiratory MucosaNeoplasm InvasivenessCarcinoma, EndometrioidDuodenal NeoplasmsMucinsCarcinoma, Signet Ring CellCecal NeoplasmsAdenocarcinoma, Clear CellIn Situ HybridizationAdenomaCell ProliferationColorectal NeoplasmsNeoplasm ProteinsGenes, rasRectal NeoplasmsTissue Array AnalysisMutationCommon Bile Duct NeoplasmsKeratin-20Cell DifferentiationBiopsyAmpulla of VaterIleal NeoplasmsDNA, NeoplasmDisease ProgressionTime FactorsColonBronchiCarcinoma in SituBlotting, WesternGene Expression ProfilingGastric MucosaNeoplasm MetastasisTracheaHyperplasiaPancreaticoduodenectomyCell DivisionMice, TransgenicSurvival RateJejunal NeoplasmsLymphatic MetastasisCarcinoma, Non-Small-Cell LungCell Transformation, NeoplasticNeoplasm TransplantationCarcinoma, AdenosquamousMice, NudeCorneaApoptosisSignal TransductionReceptor, Epidermal Growth FactorProstateHistocytochemistryCarcinoembryonic AntigenGene ExpressionUterine Cervical NeoplasmsAntigens, NeoplasmLungRetrospective StudiesPolymerase Chain Reaction