ChemopreventionColorectal NeoplasmsAnticarcinogenic AgentsAdenomaColonic NeoplasmsColonoscopyColonic PolypsColorectal SurgeryColorectal Neoplasms, Hereditary NonpolyposisAdenocarcinomaSulindacPrecancerous ConditionsRectal NeoplasmsAdenomatous Polyposis ColiRectumIntestinal PolypsAdenomatous PolypsColonTumor Markers, BiologicalAnti-Inflammatory Agents, Non-SteroidalAntineoplastic AgentsNeoplasmsAzoxymethaneCarcinogensLiver NeoplasmsSigmoidoscopyIsothiocyanatesEflornithineCyclooxygenase 2HT29 CellsGenes, APCCell Line, TumorCyclooxygenase 2 InhibitorsGene Expression Regulation, NeoplasticIsotretinoinFluorouracilCatechinRisk FactorsApoptosisNeoplasm StagingImmunohistochemistryCarcinomaTeaIntestinal MucosaPrognosisOrganoplatinum CompoundsMass ScreeningLeucovorinCurcuminPolyphenolsDietPlant ExtractsLung NeoplasmsRetinoidsHCT116 CellsCase-Control StudiesCell Transformation, NeoplasticProstatic NeoplasmsPyrazolesEtretinateCyclooxygenase InhibitorsCarcinoembryonic AntigenLeukoplakiaCell ProliferationCamptothecinbeta CateninBreast NeoplasmsClinical Trials as TopicTamoxifenChlorophyllidesEarly Detection of CancerSulfonamidesFenretinideOrganoselenium CompoundsSilymarinAspirinMicrosatellite RepeatsDNA MethylationPiroxicamAberrant Crypt FociIntestinal NeoplasmsMutS Homolog 2 ProteinMutationNeoplasm MetastasisTreatment OutcomeThiocyanatesNeoplasm ProteinsAntioxidantsDisease ProgressionDNA, NeoplasmColectomyProstaglandin-Endoperoxide SynthasesRaloxifeneFinasterideSelective Estrogen Receptor ModulatorsGenetic Predisposition to DiseaseRats, Inbred F344MethylnitrosoureaRectal DiseasesGenes, ras