AdenocarcinomaColonic NeoplasmsAdenocarcinoma, MucinousLung NeoplasmsPancreatic NeoplasmsEsophageal NeoplasmsColon, DescendingAdenocarcinoma, PapillaryBarrett EsophagusCarcinoma, Pancreatic DuctalStomach NeoplasmsAdenocarcinoma, Bronchiolo-AlveolarImmunohistochemistryCardiaTumor Markers, BiologicalColon, SigmoidColon, AscendingCell Line, TumorGene Expression Regulation, NeoplasticNeoplasm StagingEsophagogastric JunctionPrognosisPrecancerous ConditionsColorectal NeoplasmsTumor Cells, CulturedKeratin-7Intestinal NeoplasmsHT29 CellsRectal NeoplasmsNeoplasms, Multiple PrimaryColon, TransverseCarcinoma, Squamous CellAdenomaCecal NeoplasmsEndometrial NeoplasmsNeoplasm InvasivenessIntestinal MucosaProstatic NeoplasmsAzoxymethaneDuodenal NeoplasmsImmunoenzyme TechniquesCarcinoma, Signet Ring CellCarcinoembryonic AntigenGenes, rasNeoplasm TransplantationMice, NudeMammary Neoplasms, ExperimentalCarcinoma, EndometrioidNeoplasm ProteinsRNA, MessengerMetaplasiaAdenocarcinoma, Clear CellSigmoid NeoplasmsDNA, NeoplasmNeoplasm MetastasisAntineoplastic AgentsCell ProliferationReverse Transcriptase Polymerase Chain ReactionTissue Array AnalysisKeratin-20Survival RateIleal NeoplasmsMucinsLymphatic MetastasisAmpulla of VaterCommon Bile Duct NeoplasmsDisease ProgressionApoptosisMutationPancreaticoduodenectomyJejunal NeoplasmsAntigens, NeoplasmSurvival AnalysisRetrospective StudiesEsophagusColonic DiseasesCarcinomaCarcinoma, AdenosquamousCarcinoma, Non-Small-Cell LungDiverticulum, ColonFluorouracilBiopsyCarcinogensTumor Suppressor Protein p53Cell Transformation, NeoplasticCarcinoma, Acinar CellGene Expression ProfilingGastrointestinal NeoplasmsReceptor, Epidermal Growth FactorTreatment OutcomeFatal OutcomeKaplan-Meier EstimateNeoplasms, ExperimentalColectomyGastrectomyCarcinoma in SituTransplantation, HeterologousBlotting, WesternCell DivisionMucin-2