Emphysema happens when the small air sacs in your lungs become damaged. There are three types of emphysema, which are categorized based on the appearance of lung damage as seen on imaging. Emphysema ...

Emphysema is a chronic lung disease involving damage to tiny air sacs within the lungs called alveoli. Paraseptal emphysema (PSE) is a type of emphysema that affects the outer regions of the lung. PSE ...

Surgical emphysema is another term for subcutaneous emphysema. It occurs when air or gas enters the subcutaneous tissue, which is the deepest layer of the skin. People can develop surgical emphysema ...