DNA MethylationColorectal NeoplasmsPromoter Regions, GeneticCpG IslandsGene SilencingAzacitidineDeath-Associated Protein KinasesGene Expression Regulation, NeoplasticDNA, NeoplasmDNA Modification MethylasesEpigenesis, GeneticCell Line, TumorGenes, Tumor SuppressorTumor Suppressor ProteinsGenes, p16SulfitesPolymerase Chain ReactionAdenomaAdenocarcinomaCyclin-Dependent Kinase Inhibitor p16Tumor Markers, BiologicalNeoplasm ProteinsColonic NeoplasmsO(6)-Methylguanine-DNA MethyltransferaseColonoscopyReverse Transcriptase Polymerase Chain ReactionPrognosisMicrosatellite RepeatsMutationBase SequenceMicrosatellite InstabilityColorectal Neoplasms, Hereditary NonpolyposisRNA, MessengerNuclear ProteinsGlutathione S-Transferase piLoss of HeterozygosityCyclin A1DNA (Cytosine-5-)-MethyltransferaseStomach NeoplasmsRectal NeoplasmsEarly Detection of CancerFanconi Anemia Complementation Group F ProteinNeoplasm StagingCarcinomaAdaptor Proteins, Signal TransducingDown-RegulationImmunohistochemistryGenes, APCCore Binding Factor Alpha 3 SubunitLung NeoplasmsDNA-Binding ProteinsNeoplasm MetastasisBreast NeoplasmsLiver NeoplasmsCadherinsMolecular Sequence DataSigmoidoscopyTumor Cells, CulturedAntimetabolites, AntineoplasticFluorouracilGenes, DCCMutS Homolog 2 ProteinCarcinoma, Squamous CellDNA Mutational AnalysisDNA Repair EnzymesCase-Control StudiesGenetic Predisposition to DiseaseColonic PolypsGenes, rasTumor Suppressor Protein p14ARFDNA Mismatch RepairAdenomatous Polyposis Coli ProteinOrganoplatinum CompoundsApoptosis Regulatory ProteinsSurvival AnalysisNeoplasm InvasivenessOccult BloodDisease ProgressionGene Expression ProfilingLeucovorinMethylationNeoplasmsCell Transformation, NeoplasticSurvival RateRisk FactorsGenes, NeoplasmGerm-Line MutationProstatic NeoplasmsTranscription, GeneticCarrier ProteinsCamptothecinOvarian NeoplasmsHCT116 CellsDNA PrimersProto-Oncogene Proteins B-rafCell ProliferationHT29 CellsColonProto-Oncogene ProteinsTumor Suppressor Protein p53