Carcinoembryonic AntigenEmpyema, TuberculousColorectal NeoplasmsAdenocarcinomaTumor Markers, BiologicalRectal NeoplasmsNeoplasm StagingLung NeoplasmsPreoperative CareNeoplasm Recurrence, LocalPrognosisLiver NeoplasmsAntigens, NeoplasmColonic NeoplasmsPredictive Value of TestsAntigensTreatment OutcomeRetrospective StudiesAntigens, Tumor-Associated, CarbohydrateCA-19-9 AntigenCell Adhesion MoleculesAntibodies, MonoclonalAntigens, BacterialAntigens, SurfaceKeratin-19Antigens, CDMucin-1Immunoenzyme TechniquesRadioimmunoassayTissue Polypeptide AntigenCystadenocarcinomaAdenomaSerumAntigens, ViralGlycoproteinsEpitopesCarcinomaPerchloratesalpha-FetoproteinsGastrointestinal NeoplasmsNeoplasm MetastasisKeratin-20Sensitivity and SpecificityKeratinsColonAntibodies, NeoplasmColonoscopyCross ReactionsAntibody SpecificityImmunohistochemistryGPI-Linked ProteinsCyst FluidPregnancy-Specific beta 1-GlycoproteinsImmunoglobulin FragmentsTumor Cells, CulturedMolecular Sequence DataEnzyme-Linked Immunosorbent AssayCancer Vaccines