
In thoracentesis, the doctor removes fluid from the space between the lungs and the chest wall (the pleural cavity). The doctor inserts a needle (and sometimes a plastic catheter) through the chest wall to remove and examine the fluid.
| By | Healthwise Staff |
| Primary Medical Reviewer | E. Gregory Thompson, MD - Internal Medicine |
| Specialist Medical Reviewer | Robert L. Cowie, MB, FCP(SA), MD, MSc, MFOM - Pulmonology |
| Last Revised | July 15, 2011 |