Pleural EffusionLead RadioisotopesPleural Effusion, MalignantPeritoneal NeoplasmsPeritoneal DiseasesPericardial EffusionTuberculosis, PleuralExudates and TransudatesPleuraPleurodesisPleural CavityOtitis Media with EffusionHydrothoraxPleural DiseasesTalcChylothoraxParacentesisEmpyema, PleuralDrainagePleurisyPleural NeoplasmsEmpyemaThoracoscopyThoracostomyMesotheliomaAscitesRadiography, ThoracicChest TubesLymphoma, Primary EffusionLung NeoplasmsPicibanilTomography, X-Ray ComputedEmpyema, TuberculousMeigs SyndromeAdenosine DeaminaseParagonimiasisCardiac TamponadeSensitivity and SpecificityPericarditisUrinomaPericardiocentesisLung Diseases, ParasiticChylous AscitesAscitic FluidRetrospective StudiesTreatment OutcomeProspective StudiesFatal OutcomeTunica IntimaFistulaPneumothoraxPneumoniaPericardiectomySubdural EffusionTuberculosis, PulmonaryThoracic Surgery, Video-AssistedPulmonary AtelectasisParagonimusTime FactorsPercussionEosinophiliaBiopsyKeratin-19ROC CurveAdenocarcinomaInstillation, DrugAuscultationLungPancreatic FistulaCytodiagnosisLung DiseasesMagnetic Resonance ImagingHerpesvirus 8, HumanImage Enhancement