Rectal NeoplasmsAdenocarcinomaOxyphil CellsNeoadjuvant TherapyRadiotherapy, AdjuvantDigestive System Surgical ProceduresRectumColectomyNeoplasm StagingFluorouracilCombined Modality TherapyAnal CanalNeoplasm Recurrence, LocalEcho-Planar ImagingColonic NeoplasmsTumor Markers, BiologicalOrganoplatinum CompoundsPreoperative CarePrognosisRetrospective StudiesChemotherapy, AdjuvantTreatment OutcomeAdenocarcinoma, MucinousSurvival RateLung NeoplasmsPancreatic NeoplasmsEsophageal NeoplasmsFollow-Up StudiesColon, DescendingAdenocarcinoma, PapillaryBarrett EsophagusAntineoplastic Combined Chemotherapy ProtocolsCarcinoma, Pancreatic DuctalStomach NeoplasmsAdenocarcinoma, Bronchiolo-AlveolarImmunohistochemistryCardiaColon, SigmoidColon, AscendingCell Line, TumorGene Expression Regulation, NeoplasticEsophagogastric JunctionPrecancerous ConditionsColorectal NeoplasmsTumor Cells, CulturedKeratin-7Intestinal NeoplasmsHT29 CellsNeoplasms, 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-20Ileal NeoplasmsMucinsLymphatic MetastasisAmpulla of VaterCommon Bile Duct NeoplasmsDisease ProgressionApoptosisMutationPancreaticoduodenectomyJejunal NeoplasmsAntigens, NeoplasmSurvival AnalysisEsophagusColonic DiseasesCarcinomaCarcinoma, AdenosquamousCarcinoma, Non-Small-Cell LungDiverticulum, ColonBiopsyCarcinogensTumor Suppressor Protein p53