No Pleural Effusion Or Pneumothorax Meaning. A pleural effusion is a collection of fluid in the space between your chest wall and lungs. This means that the radiologist does not see a white area in the lung that is likely to.

Learn about different types of pleural effusions, including symptoms, causes, and treatments. A pleural effusion is a buildup of fluid between the layers of tissue that line the lungs and chest cavity.