Can you tell me about air leaking from lungs into chest cavity?

Lets review your que: Your lungs are lined by 2 thin layers named pleura. Trauma, pulmonary fibrosis, asthma/COPD can cause a break in the lining allowing air to fill this space. Pneumothorax of 10% or less are usually observed and resolve on own. Larger ones usually need a tube placed called a chest tube and this helps remove the air/fluid/blood to be removed. Severe pneumothorax can cause respiratory distress and th