Colorectal NeoplasmsAdenocarcinomaLeucovorinOrganoplatinum CompoundsCamptothecinFluorouracilNeoplasm MetastasisAntibodies, Monoclonal, HumanizedCell DifferentiationAntineoplastic Combined Chemotherapy Protocolsras ProteinsAntibodies, MonoclonalTreatment OutcomeDisease-Free SurvivalLiver NeoplasmsColonic NeoplasmsDeoxycytidineDrug Administration ScheduleRectal NeoplasmsChronotherapyAntineoplastic AgentsInfusions, IntravenousSurvival AnalysisTumor Markers, BiologicalAntimetabolites, AntineoplasticPrognosisSurvival RateProto-Oncogene ProteinsImmunohistochemistryReceptor, Epidermal Growth FactorTegafurLung NeoplasmsCarcinoembryonic AntigenNeoplasm StagingMutationProto-Oncogene Proteins B-rafAdenomaAdenocarcinoma, MucinousDisease ProgressionKaplan-Meier EstimateGenes, rasCarcinomaGene Expression Regulation, NeoplasticUracilAngiogenesis InhibitorsAntineoplastic Agents, PhytogenicKeratin-7Drug Resistance, NeoplasmRetrospective StudiesCell Line, TumorKeratin-20Pancreatic NeoplasmsRNA, MessengerEsophageal NeoplasmsSignal TransductionTime FactorsColonoscopyStomach NeoplasmsReverse Transcriptase Polymerase Chain ReactionHepatectomyAdenocarcinoma, PapillaryClinical Trials, Phase III as TopicDiarrheaCell ProliferationOxonic AcidTumor Cells, CulturedCells, CulturedBarrett EsophagusDose-Response Relationship, DrugCarcinoma, Pancreatic DuctalDNA Mutational AnalysisColorectal Neoplasms, Hereditary NonpolyposisNeoplasm ProteinsAdenocarcinoma, Bronchiolo-AlveolarTranscription FactorsColorectal SurgeryNeutropeniaDNA, NeoplasmProspective StudiesThymidylate SynthaseAdministration, OralCell DivisionColonic PolypsGene Expression ProfilingInfusions, Intra-ArterialNauseaSalvage TherapyQuinazolinesPolymerase Chain ReactionPredictive Value of TestsStem CellsCell LineFollow-Up StudiesNeoplasm Recurrence, LocalLymphatic MetastasisExanthemaPalliative CareNeoplasm InvasivenessHepatic ArteryThiophenes