TamoxifenChemopreventionAnticarcinogenic AgentsAntineoplastic Agents, HormonalEstrogen AntagonistsSelective Estrogen Receptor ModulatorsBreast NeoplasmsEstrogen Receptor ModulatorsReceptors, EstrogenRaloxifeneAromatase InhibitorsSulindacPostmenopauseToremifenePrecancerous ConditionsNitrilesTriazolesCarcinogensNeoplasms, Hormone-DependentAntineoplastic AgentsEstradiolChemotherapy, AdjuvantIsothiocyanatesIsotretinoinEflornithineAnti-Inflammatory Agents, Non-SteroidalCytochrome P-450 CYP2D6CatechinNeoplasmsAzoxymethaneFenretinideEstrogen Receptor alphaMethylnitrosoureaRetinoidsClinical Trials as TopicTeaMammary Neoplasms, ExperimentalPolyphenolsCyclooxygenase 2 InhibitorsColonic NeoplasmsEtretinateCurcuminLeukoplakiaApoptosisCell Line, TumorPlant ExtractsEstrogensEndometrial NeoplasmsOrganoselenium CompoundsDNA AdductsRats, Inbred F344Cyclooxygenase 29,10-Dimethyl-1,2-benzanthraceneChlorophyllidesPyrazolesDose-Response Relationship, DrugProstatic NeoplasmsDrug Resistance, NeoplasmPiroxicamThiocyanatesFinasterideTumor Markers, BiologicalCyclooxygenase InhibitorsSilymarinCell ProliferationSulfonamidesTreatment OutcomeAntioxidantsPremenopauseLung NeoplasmsPunicaceaeAdenomatous Polyposis ColiDouble-Blind MethodAntimutagenic AgentsSelenium CompoundsColorectal NeoplasmsSkin NeoplasmsOvariectomyNeoplasm Recurrence, LocalPhenols5-alpha Reductase InhibitorsAnethole TrithioneAminoglutethimideRandomized Controlled Trials as TopicPlacebosGene Expression Regulation, NeoplasticDietCell Transformation, Neoplastic4-Nitroquinoline-1-oxideChalconesPhytotherapyTumor Cells, Culturedbeta CaroteneAdenomaTime FactorsStilbenesAzasteroidsSelenomethionineMouth NeoplasmsNeoplasms, Second Primary