Colorectal NeoplasmsColonoscopyColonic NeoplasmsAdenomaRectal NeoplasmsEarly Detection of CancerColorectal Neoplasms, Hereditary NonpolyposisCell DeathSigmoidoscopyCause of DeathFluorouracilAdenocarcinomaColonic PolypsPrognosisNeoplasm MetastasisOrganoplatinum CompoundsNeoplasm StagingOccult BloodTumor Markers, BiologicalLeucovorinGene Expression Regulation, NeoplasticCamptothecinRisk FactorsLiver NeoplasmsCell Line, TumorSurvival AnalysisMass ScreeningSurvival RateHT29 CellsColonCarcinomaHCT116 CellsMutationAntineoplastic Combined Chemotherapy ProtocolsProspective StudiesCarcinoembryonic AntigenNeoplasm ProteinsMicrosatellite InstabilityColorectal SurgeryGenetic Predisposition to DiseaseRectumAdenomatous PolypsMicrosatellite RepeatsAntineoplastic AgentsDNA MethylationNeoplasm InvasivenessRetrospective StudiesFollow-Up StudiesMutS Homolog 2 ProteinImmunohistochemistryAdenomatous Polyposis ColiDNA, NeoplasmCase-Control StudiesTreatment OutcomeNeoplasmsDisease ProgressionRiskProto-Oncogene Proteins B-rafIntestinal PolypsDeathUnited StatesLung NeoplasmsMice, NudeGerm-Line MutationIncidenceras ProteinsBreast NeoplasmsDNA Mismatch RepairAntimetabolites, AntineoplasticReverse Transcriptase Polymerase Chain ReactionColectomyRisk AssessmentRegistriesDisease-Free SurvivalGenes, APCAntibodies, Monoclonal, HumanizedCohort StudiesGenotypeStomach NeoplasmsApoptosisGenes, rasNeoplasm Recurrence, LocalProstatic NeoplasmsProto-Oncogene ProteinsOdds RatioRNA, MessengerKaplan-Meier EstimatePolymerase Chain ReactionPolymorphism, GeneticAge FactorsIntestinal MucosaAdaptor Proteins, Signal TransducingTime FactorsMultivariate AnalysisSensitivity and SpecificityAntibodies, MonoclonalOvarian Neoplasmsbeta CateninDNA Mutational AnalysisDrug Resistance, Neoplasm