Carcinoembryonic AntigenEmpyema, TuberculousColorectal NeoplasmsAdenocarcinomaTumor Markers, BiologicalRectal NeoplasmsLung NeoplasmsNeoplasm StagingPreoperative CareNeoplasm Recurrence, LocalPrognosisLiver NeoplasmsAntigens, NeoplasmPredictive Value of TestsAntigensColonic NeoplasmsTreatment OutcomeRetrospective StudiesAntigens, Tumor-Associated, CarbohydrateCA-19-9 AntigenCell Adhesion MoleculesAntigens, BacterialAntigens, SurfaceKeratin-19Antibodies, MonoclonalAntigens, CDMucin-1RadioimmunoassayTissue Polypeptide AntigenCystadenocarcinomaImmunoenzyme TechniquesAntigens, ViralSerumEpitopesGlycoproteinsPerchloratesalpha-FetoproteinsKeratinsCross ReactionsGastrointestinal NeoplasmsAntibodies, NeoplasmAntibody SpecificityKeratin-20GPI-Linked ProteinsCyst FluidSensitivity and SpecificityPregnancy-Specific beta 1-GlycoproteinsImmunoglobulin Fragments