MicrosurgeryColorectal NeoplasmsProctoscopyRectal NeoplasmsAdenoma, VillousLaser TherapyAdenomaColonoscopyColonic NeoplasmsEarly Detection of CancerColorectal Neoplasms, Hereditary NonpolyposisSpisulaLasers, GasSigmoidoscopyNatural Orifice Endoscopic SurgeryFluorouracilNeoplasm StagingAdenocarcinomaAnal CanalAndrologyColonic PolypsNeurosurgeryOrganoplatinum CompoundsNeoplasm MetastasisOccult BloodTumor Markers, BiologicalVasovasostomyLeucovorinPrognosisTreatment OutcomeGene Expression Regulation, NeoplasticCamptothecinRetrospective StudiesNeurosurgical ProceduresLiver NeoplasmsOrgan Sparing TreatmentsFollow-Up StudiesMass ScreeningSurgery, Computer-AssistedHT29 CellsColonCarcinomaCell Line, TumorHCT116 CellsRisk FactorsCarcinoembryonic AntigenSurvival AnalysisAntineoplastic Combined Chemotherapy ProtocolsNeoplasm Recurrence, LocalMicrosatellite InstabilityColorectal SurgeryAdenomatous PolypsRadiosurgeryRectumNeoplasm ProteinsSurvival RateGenetic Predisposition to DiseaseMutationMicrosatellite RepeatsAmputation, TraumaticDNA MethylationNeoplasm InvasivenessLasersLaryngeal NeoplasmsProspective StudiesAntineoplastic AgentsPituitary IrradiationMutS Homolog 2 ProteinAdenomatous Polyposis ColiDNA, NeoplasmCase-Control StudiesImmunohistochemistrySurgical InstrumentsLaryngoscopyIntestinal PolypsProto-Oncogene Proteins B-rafNeuroma, AcousticDisease ProgressionGerm-Line Mutationras ProteinsDNA Mismatch RepairParticle AcceleratorsRiskMice, NudeNeoplasmsReplantationAntimetabolites, AntineoplasticDisease-Free SurvivalColectomyLung NeoplasmsFallopian Tube DiseasesGenes, APCReconstructive Surgical ProceduresBreast NeoplasmsAntibodies, Monoclonal, HumanizedReverse Transcriptase Polymerase Chain ReactionGenotypeNeurilemmomaTime FactorsSurgical Flaps