AdenocarcinomaColorectal NeoplasmsAdenocarcinoma, MucinousColonic NeoplasmsRectal NeoplasmsImmunohistochemistryTumor Markers, BiologicalKeratin-7AdenomaLung NeoplasmsNeoplasm StagingKeratin-20Pancreatic NeoplasmsStomach NeoplasmsEsophageal NeoplasmsPrognosisAdenocarcinoma, PapillaryGene Expression Regulation, NeoplasticBarrett EsophagusCarcinoma, Signet Ring CellCarcinoma, Pancreatic DuctalCarcinoembryonic AntigenAdenocarcinoma, Bronchiolo-AlveolarCell Line, TumorIntestinal NeoplasmsColonic PolypsIntestinal MucosaColonNeoplasm InvasivenessHT29 CellsCardiaLiver NeoplasmsNeoplasm MetastasisNeoplasm ProteinsFluorouracilImmunoenzyme TechniquesTissue Array AnalysisDNA, NeoplasmTumor Cells, CulturedGenes, rasRectumSurvival RateLymphatic MetastasisSurvival AnalysisGastrointestinal NeoplasmsTumor Suppressor Protein p53Mucin-2Cyclin B2RNA, MessengerMutationColonoscopyOrganoplatinum CompoundsColectomyNeoplastic ProcessesRetrospective StudiesCarcinomaEsophagogastric JunctionMucinsCaco-2 CellsGlyceraldehyde 3-Phosphate Dehydrogenase (NADP+)LeucovorinDisease ProgressionAntineoplastic Agentsras ProteinsPrecancerous ConditionsNeoplasm TransplantationMicrosatellite RepeatsColorectal Neoplasms, Hereditary NonpolyposisTreatment OutcomeNeoplasm Recurrence, LocalPolymerase Chain Reactionbeta CateninReverse Transcriptase Polymerase Chain ReactionNeoplasms, Multiple PrimaryCase-Control StudiesColorectal SurgeryEndometrial NeoplasmsMutS Homolog 2 ProteinMice, NudeAntigens, NeoplasmCell Transformation, NeoplasticCell ProliferationCarcinoma, Squamous CellKeratinsCamptothecinGene Expression ProfilingDNA MethylationProto-Oncogene ProteinsTime FactorsAntineoplastic Combined Chemotherapy ProtocolsGenes, p53ApoptosisCecal NeoplasmsRNA, NeoplasmProstatic NeoplasmsAntibodies, MonoclonalNuclear ProteinsProto-Oncogene Proteins B-rafDuodenal NeoplasmsHCT116 Cells