Familial primary spontaneous pneumothorax

A pneumothorax is an abnormal collection of air in the pleural space between the lung and the chest wall. Symptoms typically include sudden onset of sharp, one-sided chest pain and shortness of breath. [Source: Wikipedia ]

Synonyms
Familial spontaneous pneumothorax
OrphaNet reference
Familial spontaneous pneumothorax 
May Cause
Pneumomediastinum
Pneumothorax