Colonic NeoplasmsColon, DescendingColon, SigmoidColon, AscendingColon, TransverseHT29 CellsAzoxymethaneIntestinal MucosaDiverticulum, ColonColonic DiseasesAdenocarcinomaColorectal NeoplasmsTime Factors1,2-DimethylhydrazineRisk FactorsColitisCell Line, TumorDimethylhydrazinesColonoscopyColectomyAdenomaTumor Cells, CulturedRectal NeoplasmsCarcinogensRectumCaco-2 CellsGastrointestinal MotilityCase-Control StudiesSigmoid NeoplasmsGene Expression Regulation, NeoplasticDietImmunohistochemistryProspective StudiesRNA, MessengerCecumApoptosisCohort StudiesPrecancerous ConditionsAge FactorsDextran SulfateMice, NudeButyratesCarcinomaDose-Response Relationship, DrugFollow-Up StudiesRats, Inbred F344Colitis, UlcerativeIntestinal PolypsAnticarcinogenic AgentsCell ProliferationCell DivisionIntestine, Largebeta CateninAntineoplastic AgentsRegression AnalysisNeoplasmsIntestinesReverse Transcriptase Polymerase Chain ReactionPrognosisQuestionnairesGenes, APCColostomyFecesNeoplasm TransplantationIleumIncidenceSex FactorsTumor Markers, BiologicalIntestine, SmallCarcinoembryonic AntigenMolecular Sequence DataCecal NeoplasmsAberrant Crypt FociMucinsCross-Sectional StudiesBlotting, WesternSigmoid DiseasesEnemaNeoplasm ProteinsInterpersonal RelationsSmokingNeoplasm StagingMice, Inbred BALB CDietary FiberCatharticsBody WeightSignal TransductionTrinitrobenzenesulfonic AcidRetrospective StudiesFluorouracilMutationModels, BiologicalDisease Models, AnimalAnalysis of VarianceIntestinal NeoplasmsCyclooxygenase 2Body Mass IndexRiskOdds RatioTransplantation, Heterologous