Emphysema is a lung disease that damages the air sacs, making it difficult to breathe, especially during physical activity. Smoking is the primary cause of emphysema, but exposure to irritants, ...

Emphysematous changes refer to changes that may occur in the lungs as emphysema progresses and are visible on a CT scan. This may include changes in location or the type of damage in the lungs due to ...

Lung-volume–reduction surgery has been proposed as a palliative treatment for severe emphysema. Effects on mortality, the magnitude and durability of benefits, and criteria for the selection of ...