1. Pleural effusion  (Trust Mark: Doctor-Reviewed)
A pleural effusion is an accumulation of fluid between the layers of tissue that line the lungs and chest cavity.• Reviewer: Sean O. Stitham, MD, private practice in Internal Medicine, Seattle, WA; Benjamin Medoff, MD, Assistant Professor of Medicine, Harvard Medical School, Pulmonary and Critical Care Unit, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

2. Thoracentesis  (Trust Mark: Doctor-Reviewed)
Thoracentesis is a procedure in which pleural fluid is removed from the space between the lung and the chest wall. The space in which this fluid collects is called the pleural space. It is formed in between the serous membrane covering each lung, ...• Author: Erika J. Norris