title: Real-time evaluation of pleural lesions: new observations regarding the probability of obtaining free fluid.
mesh_terms: D004322:Drainage; D006801:Humans; D010995:Pleural Diseases / Q000175:diagnosis*; D010996:Pleural Effusion / Q000175:diagnosis / Q000601:surgery; D014465:Ultrasonics / Q000379:methods; D014463:Ultrasonography