Colorectal NeoplasmsFluorouracilLeucovorinOrganoplatinum CompoundsCamptothecinAntineoplastic Combined Chemotherapy ProtocolsAntimetabolites, AntineoplasticRectal NeoplasmsDrug Administration ScheduleTreatment OutcomeColonic NeoplasmsAdenocarcinomaInfusions, IntravenousThiophenesAntibodies, Monoclonal, HumanizedSurvival AnalysisNeoplasm MetastasisThymidylate SynthaseNeoplasm StagingColonoscopyDisease-Free SurvivalDeoxycytidineAdenomaSurvival RateDisease ProgressionAntineoplastic Agentsras ProteinsPrognosisLiver NeoplasmsAntibodies, MonoclonalAntineoplastic Agents, PhytogenicTegafurAntidotesCarcinomaTumor Markers, BiologicalTrimetrexateClinical Trials, Phase III as TopicEarly Detection of CancerQuinazolinesStomatitisLevoleucovorinDiarrheaColorectal Neoplasms, Hereditary NonpolyposisPelvic ExenterationProspective StudiesProto-Oncogene Proteins B-rafCarcinoembryonic AntigenDose-Response Relationship, DrugColonic PolypsNauseaDrug Resistance, NeoplasmPalliative CareMaximum Tolerated DoseUracilOccult BloodRetrospective StudiesOxonic AcidGene Expression Regulation, NeoplasticMutationSigmoidoscopyInjections, IntravenousNeutropeniaReceptor, Epidermal Growth FactorProto-Oncogene ProteinsFollow-Up StudiesAngiogenesis InhibitorsPhthalazinesTime FactorsNeoplasm Recurrence, LocalRandomized Controlled Trials as TopicAdministration, OralDrug EvaluationKaplan-Meier EstimateSalvage TherapyLentinanImmunohistochemistryPolymorphism, GeneticRectumGenes, rasMitomycinPhosphonoacetic AcidPredictive Value of TestsLeukopeniaRisk FactorsDNA Mutational AnalysisMultivariate AnalysisGlucuronosyltransferaseQuality of LifeCombined Modality TherapyRisk AssessmentMethotrexateCase-Control StudiesInterferon-alphaJapanClinical Trials as TopicChemotherapy, AdjuvantMass ScreeningNeoplasm InvasivenessCohort StudiesHT29 Cells