ColonoscopyColorectal NeoplasmsAdenomaColonic PolypsPneumoradiographyEarly Detection of CancerColonic NeoplasmsRectal NeoplasmsColonoscopesRectumAdenocarcinomaColonCatharticsColonography, Computed TomographicIntestinal MucosaSigmoidoscopyNeoplasm StagingTumor Markers, BiologicalRetrospective StudiesAdenomatous PolypsImmunohistochemistryColonic DiseasesNeoplasm InvasivenessOccult BloodEnemaPancreatic NeoplasmsSensitivity and SpecificityNeoplasmsRisk FactorsMass ScreeningColorectal Neoplasms, Hereditary NonpolyposisPrognosisIntestinal PolypsPilot ProjectsNeoplasms, Cystic, Mucinous, and SerousBarium SulfateBisacodylNeoplasms, Multiple PrimaryLiver NeoplasmsGastroenterologySkin NeoplasmsDNA, NeoplasmColorectal SurgeryAdenocarcinoma, MucinousNeoplasms, Second PrimaryRectal DiseasesCarcinomaKidney NeoplasmsGastrointestinal HemorrhageAppendiceal NeoplasmsNeoplasm ProteinsLung NeoplasmsGastrointestinal NeoplasmsThyroid NeoplasmsProspective StudiesMyeloproliferative DisordersConscious SedationNeoplasm MetastasisColectomyIntestinal NeoplasmsNeoplasm Recurrence, LocalEndoscopy, GastrointestinalOvarian NeoplasmsDiverticulum, ColonParotid NeoplasmsColon, SigmoidSigmoid NeoplasmsCystadenomaCase-Control StudiesNeoplasms, Connective and Soft TissueColitis, IschemicNeoplasms, Plasma CellAdenomatous Polyposis ColiTime FactorsSplenic RuptureNeoplasms, ExperimentalMelenaCarcinoembryonic AntigenCystadenoma, MucinousTreatment OutcomeAntigens, NeoplasmGene Expression Regulation, NeoplasticEndocrine Gland NeoplasmsTherapeutic IrrigationFollow-Up StudiesPrecancerous ConditionsCecal NeoplasmsColitis, UlcerativeIndigo CarmineFluorouracilIncidenceTomography, X-Ray ComputedCarcinoma, Pancreatic DuctalIleal NeoplasmsNeoplasms, Vascular TissueEye NeoplasmsMutationNose NeoplasmsEndoscopyAdenocarcinoma, Papillary