FluorouracilLeucovorinAntimetabolites, AntineoplasticAntineoplastic Combined Chemotherapy ProtocolsDihydrouracil Dehydrogenase (NADP)Organoplatinum CompoundsDrug Administration ScheduleColorectal NeoplasmsThymidylate SynthaseCisplatinInfusions, IntravenousCamptothecinMethotrexateUracilFloxuridineChemotherapy, AdjuvantAdenocarcinomaEpirubicinFluorodeoxyuridylateCombined Modality TherapyColonic NeoplasmsTreatment OutcomeCyclophosphamideTegafurMitomycinAntimetabolitesSurvival AnalysisSemustineDisease-Free SurvivalStomach NeoplasmsDoxorubicinRectal NeoplasmsDeoxycytidineLevamisoleAntineoplastic AgentsNeoplasm MetastasisBreast NeoplasmsSurvival RateInfusions, Intra-ArterialStomatitisLiver NeoplasmsLevoleucovorinBromouracilAntidotesDrug SynergismFlucytosineDose-Response Relationship, DrugChronotherapyTaxoidsCarcinoma, Squamous CellProdrugsHead and Neck NeoplasmsEsophageal NeoplasmsPhosphoribosyl PyrophosphateLeukopeniaNeoplasm StagingMucositisDrug Resistance, NeoplasmNeutropeniaNeoadjuvant TherapyThymidine PhosphorylaseCytosine DeaminaseDrug EvaluationInjections, IntravenousPancreatic NeoplasmsOxonic AcidDihydropyrimidine Dehydrogenase DeficiencyNauseaNeoplasm Recurrence, LocalHepatic ArteryPaclitaxelDeoxyuracil NucleotidesUridinePhosphonoacetic AcidInterferon-alphaTrimetrexateUridine PhosphorylaseMaximum Tolerated DoseAdministration, OralMitomycinsCell Line, TumorRadiotherapy, AdjuvantFluorineDeoxyuridineTime FactorsGastrointestinal NeoplasmsAntineoplastic Agents, PhytogenicDiarrheaHistidinolAntibiotics, AntineoplasticCarcinomaLymphatic MetastasisPrognosisOrotate PhosphoribosyltransferaseCell SurvivalThiophenesAntibodies, Monoclonal, HumanizedFollow-Up StudiesDrug Screening Assays, AntitumorTumor Cells, Cultured