Pleural EffusionExudates and TransudatesPleural Effusion, MalignantPericardial EffusionHydrothoraxTuberculosis, PleuralPleuraParacentesisL-Lactate DehydrogenaseEuthanasiaOtitis Media with EffusionSensitivity and SpecificityROC CurveLymphoma, Primary EffusionBiological MarkersBlood ProteinsPericardiocentesisCardiac TamponadeProteins