Carcinoembryonic AntigenEmpyema, TuberculousColorectal NeoplasmsAdenocarcinomaTumor Markers, BiologicalRectal NeoplasmsLung NeoplasmsNeoplasm StagingPreoperative CareNeoplasm Recurrence, LocalPrognosisLiver NeoplasmsAntigens, NeoplasmPredictive Value of TestsAntigensTreatment OutcomeRetrospective StudiesColonic NeoplasmsSerumAntigens, Tumor-Associated, CarbohydrateCA-19-9 AntigenCell Adhesion MoleculesAntigens, BacterialAntigens, SurfaceKeratin-19Antibodies, MonoclonalAntigens, CDRadioimmunoassayMucin-1Tissue Polypeptide AntigenSerum AlbuminImmunoenzyme TechniquesCystadenocarcinomaAntigens, ViralEpitopesGlycoproteinsalpha-FetoproteinsSensitivity and SpecificityPerchloratesCross ReactionsAntibody SpecificityKeratinsEnzyme-Linked Immunosorbent AssayAntibodies, NeoplasmGastrointestinal NeoplasmsImmunoglobulin GKeratin-20GPI-Linked ProteinsCyst FluidPregnancy-Specific beta 1-GlycoproteinsImmunoglobulin FragmentsMolecular Sequence DataCA-125 AntigenCarcinomaIodine Radioisotopes