Carcinoembryonic AntigenEmpyema, TuberculousColorectal NeoplasmsAdenocarcinomaTumor Markers, BiologicalRectal NeoplasmsLung NeoplasmsNeoplasm StagingPreoperative CareNeoplasm Recurrence, LocalPrognosisLiver NeoplasmsAntigens, NeoplasmAntigensPredictive Value of TestsColonic NeoplasmsTreatment OutcomeRetrospective StudiesAntigens, Tumor-Associated, CarbohydrateCA-19-9 AntigenCell Adhesion MoleculesAntigens, BacterialAntigens, SurfaceAntibodies, MonoclonalKeratin-19Antigens, CDRadioimmunoassayMucin-1Immunoenzyme TechniquesEpitopesTissue Polypeptide AntigenSerumAntigens, ViralCystadenocarcinomaImmune SeraGlycoproteinsCross ReactionsAntibody Specificityalpha-FetoproteinsPerchloratesEnzyme-Linked Immunosorbent AssayAntibodies, NeoplasmKeratinsSensitivity and SpecificityGastrointestinal NeoplasmsMolecular Sequence DataImmunoglobulin GRNA, MessengerGPI-Linked ProteinsCyst FluidKeratin-20Immunoglobulin FragmentsPregnancy-Specific beta 1-GlycoproteinsTumor Cells, CulturedCell LineCarcinomaImmunohistochemistry