A pneumothorax is an abnormal collection of air in the space between the lung and the inside lining of the chest wall.
Air can collect between the lung and chest wall can occur for different reasons. The main concern is that this abnormal air can compress the lung and cause breathing problems. In severe cases, a pneumothorax can cause death if it is not treated quickly.
A pneumothorax may be caused by:
In some cases, the condition occurs for no apparent reason in otherwise healthy people.