Pleural EffusionPericardial EffusionPleural Effusion, MalignantOtitis Media with EffusionExudates and TransudatesTuberculosis, PleuralLymphoma, Primary EffusionPericardiocentesisCardiac TamponadePleuraEmpyema, PleuralSubdural EffusionPleurodesisAscitic FluidPleural CavityHydrothoraxDrainageMiddle Ear VentilationParacentesisPericarditisChylothoraxHerpesvirus 8, HumanAscitesTalcPleural DiseasesPleurisyPericardiectomyPleural NeoplasmsMesotheliomaEmpyemaPericarditis, TuberculousThoracoscopyPericardial Window TechniquesThoracostomyRadiography, ThoracicChest TubesEar, MiddleAcoustic Impedance TestsChylePicibanilLung NeoplasmsAdenosine DeaminaseHydrarthrosisSarcoma, KaposiPericardiumOtoscopySynovitisInstillation, DrugSensitivity and SpecificityPericarditis, ConstrictiveUveal DiseasesOtitis MediaTomography, X-Ray ComputedCytodiagnosisChylous AscitesEmpyema, TuberculousThoracic Surgery, Video-AssistedRetrospective StudiesTreatment OutcomeGiant Lymph Node HyperplasiaProspective StudiesFatal OutcomeSynovial FluidMeigs SyndromePneumothorax, ArtificialXiphoid BoneKnee JointHearing Loss, ConductiveLymphoma, AIDS-RelatedJoint DiseasesEustachian TubeUrinomaHerpesviridae InfectionsHeart NeoplasmsAdenoidsLymphangiomyomaSuctionPneumoniaPneumothoraxFistulaTuberculosis, PulmonaryEchocardiographyTumor Markers, BiologicalNeoplasmsLung Diseases, ParasiticBody FluidsROC CurveAdenocarcinoma