AdenomaColorectal NeoplasmsAdenomatous PolypsColonoscopyColonic PolypsAdenoma, VillousAdenomatous Polyposis ColiAdenoma, PleomorphicSigmoidoscopyCase-Control StudiesIntestinal PolypsGenes, APCRectal NeoplasmsColonic NeoplasmsColorectal Neoplasms, Hereditary NonpolyposisRisk FactorsPituitary NeoplasmsRectumAdrenocortical AdenomaAdenocarcinomaOne-Carbon Group TransferasesColonDietCarcinomaAdenoma, Liver CellPolymorphism, GeneticAdenomatous Polyposis Coli ProteinIntestinal MucosaTumor Markers, BiologicalImmunohistochemistryGenotypeNeoplasm Recurrence, LocalAnti-Inflammatory Agents, Non-SteroidalOdds RatioColorectal SurgeryFolic AcidAdenoma, ChromophobeGerm-Line MutationRiskSulindacColon, DescendingAdenomyomaPrecancerous ConditionsCookingMass ScreeningGenes, rasGenetic Predisposition to DiseaseNeoplasms, Multiple PrimaryGrowth Hormone-Secreting Pituitary AdenomaAnticarcinogenic AgentsMicrosatellite RepeatsGene Expression Regulation, NeoplasticPrognosisHyperplasiaLogistic ModelsAspirinCyclooxygenase 2ACTH-Secreting Pituitary AdenomaNeoplasm Stagingbeta CateninMeatMutationMethylenetetrahydrofolate Reductase (NADPH2)DNA, NeoplasmProspective StudiesConfidence IntervalsDNA Mutational AnalysisPolymorphism, Single NucleotideAdenoma, AcidophilIncidenceDNA MethylationDietary FiberProlactinomaDNA GlycosylasesNeoplasm ProteinsLiver NeoplasmsFollow-Up StudiesMeat ProductsRisk AssessmentDisease ProgressionQuestionnairesUrsodeoxycholic AcidPolymerase Chain ReactionDNA Mismatch RepairMultivariate AnalysisCalcium, DietaryAdenoma, BasophilFluorouracilDouble-Blind MethodHeterocyclic CompoundsChi-Square DistributionLoss of Heterozygosity5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseSmokingRetrospective StudiesAdrenal Cortex NeoplasmsCalcium CarbonateVegetablesCohort StudiesVitamin D