Definition of pneumothorax in English:
 pneumothorax
noun ˌnjuːmə(ʊ)ˈθɔːraksˌn(j)umoʊˈθɔræks
mass nounMedicine The presence of air or gas in the cavity between the lungs and the chest wall, causing collapse of the lung.
 Example sentencesExamples
-  Patients with spontaneous pneumothorax do not have clinically apparent lung disease.
 -  Also known as pneumothorax, a collapsed lung is treated by reinflating the lung.
 -  A small spontaneous pneumothorax in the absence of lung disease will most likely resolve without intervention.
 -  Only eight of the 24 patients with post-procedure pneumothorax received chest tubes to re-expand their lungs.
 -  The most common complications reported are infection and pneumothorax.
 
  Definition of pneumothorax in US English:
 pneumothorax
nounˌn(y)o͞omōˈTHôraksˌn(j)umoʊˈθɔræks
Medicine The presence of air or gas in the cavity between the lungs and the chest wall, causing collapse of the lung.
 Example sentencesExamples
-  Only eight of the 24 patients with post-procedure pneumothorax received chest tubes to re-expand their lungs.
 -  A small spontaneous pneumothorax in the absence of lung disease will most likely resolve without intervention.
 -  Patients with spontaneous pneumothorax do not have clinically apparent lung disease.
 -  The most common complications reported are infection and pneumothorax.
 -  Also known as pneumothorax, a collapsed lung is treated by reinflating the lung.