LeucovorinAntineoplastic Combined Chemotherapy ProtocolsFluorouracilChemotherapy, AdjuvantTegafurUracilLevamisoleOrganoplatinum CompoundsColorectal NeoplasmsInfusions, IntravenousAntimetabolites, AntineoplasticDrug Administration ScheduleCamptothecinTreatment OutcomeSurvival AnalysisAdjuvants, ImmunologicColonic NeoplasmsAdenocarcinomaAdministration, OralNeoplasm MetastasisMethotrexateCombined Modality TherapyAntidotesDisease-Free SurvivalCisplatinInjections, IntravenousAntineoplastic AgentsRadiotherapy, AdjuvantFreund's AdjuvantNeoplasm StagingCyclophosphamideDoxorubicinTrimetrexateSurvival RateBreast NeoplasmsNeoadjuvant TherapyNeoplasm Recurrence, LocalPrognosisTetrahydrofolatesNeutropeniaLevoleucovorinRectal NeoplasmsEtoposideDeoxycytidineFloxuridineAdjuvants, PharmaceuticThymidylate SynthaseChronotherapyInfusions, Intra-ArterialLung NeoplasmsStomach NeoplasmsAminopterinTaxoidsStomatitisDose-Response Relationship, DrugPaclitaxelFollow-Up StudiesTime FactorsNauseaNeoplasmsAntibodies, Monoclonal, HumanizedSalvage Therapy