Pleural effusion, also called water on the lung, happens when fluid builds up in the space between your lungs and chest cavity. You may have symptoms, such as chest pain, depending on the cause. Thin ...

Pleural fluid analysis is the analysis of pleural fluid in the laboratory that occurs after a pleural tap, or thoracentesis. A thoracentesis is a procedure used to drain excess fluid from the space ...

How does fluid build up around the lungs? There are two sheets of tissue that protect the lungs. They are called pleural membranes (or pleura). In between the pleura is the pleural space. It's normal ...

Pleural effusion, sometimes called water on the lung, is a buildup of fluid between the lungs and the chest cavity. It can result from pneumonia, heart failure, cancer, and other conditions. Pleural ...