ChemopreventionAnticarcinogenic AgentsNeoplasmsPrecancerous ConditionsHematologic NeoplasmsSulindacAntineoplastic AgentsCarcinogensIsothiocyanatesEflornithineIsotretinoinAnti-Inflammatory Agents, Non-SteroidalCatechinAzoxymethaneColonic NeoplasmsLung NeoplasmsTeaCyclooxygenase 2 InhibitorsBreast NeoplasmsApoptosisRetinoidsPolyphenolsProstatic NeoplasmsCurcuminLeukoplakiaSkin NeoplasmsEtretinateCell Transformation, NeoplasticCell Line, TumorCyclooxygenase 2Plant ExtractsTumor Markers, BiologicalTamoxifenFenretinideChlorophyllidesColorectal NeoplasmsClinical Trials as TopicPyrazolesOrganoselenium CompoundsNeoplasms, Second PrimaryMouth NeoplasmsPiroxicamSilymarinThiocyanatesCyclooxygenase InhibitorsRaloxifeneFinasterideSelective Estrogen Receptor ModulatorsCell ProliferationAdenoma9,10-Dimethyl-1,2-benzanthraceneSulfonamidesAdenocarcinomaMethylnitrosoureaAdenomatous Polyposis ColiAntioxidantsPunicaceaeCarcinoma, Squamous CellRats, Inbred F344Antimutagenic AgentsSelenium CompoundsGene Expression Regulation, Neoplastic5-alpha Reductase InhibitorsIntestinal PolypsPhytotherapyAnethole Trithione4-Nitroquinoline-1-oxidebeta CaroteneDose-Response Relationship, DrugDietRisk FactorsChalconesIntestinal NeoplasmsLymphomaAspirinAzasteroidsMammary Neoplasms, ExperimentalSelenomethionineCarcinoma, Basal CellPhenolsHead and Neck NeoplasmsSeleniumTreatment OutcomeRespiratory Tract NeoplasmsProstaglandin-Endoperoxide SynthasesImmunohistochemistryTertiary PreventionSignal TransductionLeukoplakia, OralTumor Cells, CulturedFlavonoidsLiver NeoplasmsNitrosaminesLeukemiaStilbenesPolyaminesDisease Models, AnimalGarlicDisease ProgressionTime Factors