http://www.nhlbi.nih.gov/health/health-topics/topics/thor/ Thoracentesis Thoracentesis http://www.nhlbi.nih.gov/health/health-topics/topics/thor Thoracentesis thoracentesis Thoracentesis Thoracentesis Thoracentesis Thoracentesis http://www.nhlbi.nih.gov/health/health-topics/topics/thor/ Thoracentesis Thoracentesis Thoracentesis