AdenocarcinomaIntestine, SmallIntestinesAdenocarcinoma, MucinousLung NeoplasmsIntestine, LargePancreatic NeoplasmsEsophageal NeoplasmsAdenocarcinoma, PapillaryIntestinal MucosaBarrett EsophagusCarcinoma, Pancreatic DuctalStomach NeoplasmsAdenocarcinoma, Bronchiolo-AlveolarJejunumImmunohistochemistryIntestinal NeoplasmsCardiaIntestinal AbsorptionColonic NeoplasmsIleumTumor Markers, BiologicalDuodenumEsophagogastric JunctionJejunal NeoplasmsNeoplasm StagingLicensurePrognosisCell Line, TumorGene Expression Regulation, NeoplasticKeratin-7ColonRNA, MessengerCarcinoma, Squamous CellDuodenal NeoplasmsEndometrial NeoplasmsPrecancerous ConditionsNeoplasms, Multiple PrimaryMicrovilliCecal NeoplasmsTumor Cells, CulturedImmunoenzyme TechniquesProstatic NeoplasmsMetaplasiaCarcinoma, Signet Ring CellMucinsCarcinoma, EndometrioidMammary Neoplasms, ExperimentalNeoplasm InvasivenessStomachAdenocarcinoma, Clear CellAdenomaColorectal NeoplasmsReverse Transcriptase Polymerase Chain ReactionEnterocytesDigestive SystemIntestinal DiseasesRectal NeoplasmsEpitheliumNeoplasm ProteinsGenes, rasAmpulla of VaterCommon Bile Duct NeoplasmsEsophagusTime FactorsKeratin-20Tissue Array AnalysisDNA, NeoplasmPancreaticoduodenectomySurvival RateGastrointestinal NeoplasmsMutationMolecular Sequence DataBiopsyMucin-2Fatal OutcomeNeoplasm MetastasisLymphatic MetastasisNeoplasm TransplantationCarcinoma, Non-Small-Cell LungCarcinoma, AdenosquamousGastrointestinal MotilityPancreasCarcinoembryonic AntigenRetrospective StudiesGene Expression ProfilingDisease ProgressionSurvival AnalysisCarcinoma, Acinar CellCell ProliferationTissue DistributionEpithelial CellsMice, NudeCaco-2 CellsAntineoplastic AgentsPolymerase Chain ReactionGastrectomyMice, Inbred C57BLGastric MucosaSucrase