Medically reviewed by Sanja Jelic, MD The pleura is a two-layered membrane that covers the lung. Between the layers is a small amount of lubricating fluid, known as pleural fluid, which helps cushion ...

Medically reviewed by Kashif J. Piracha, MD The diaphragm is a dome-shaped muscle that separates the chest from the abdomen. This muscle, also called the thoracic diaphragm, is the main muscle used ...

usually found in the upper lobe of the lung. When a bleb ruptures the air escapes into the chest cavity causing a pneumothorax (air between the lung and chest cavity) which can result in a collapsed ...

It is located in the middle of the chest and slightly towards the left ... is responsible for pumping deoxygenated blood to the lungs. The left-hand side pumps oxygenated blood around the body.

If surgery is an option, a CT scan of the chest and upper abdomen, and possibly a PET scan will be done. If tests reveal that the tumor is growing into the lung, pulmonary function studies may also be ...

You may also experience shortness of breath. Sometimes an abnormal amount of fluid will build up in the space between your lungs and your chest wall; when it leaks out it is called a pleural effusion.

For patients dealing with lingering respiratory symptoms from the coronavirus, a simple chest X-ray can now reveal its impact on the lungs. The two-dimensional (2D) scans simply can't distinguish ...