School ager in a motor vehicle accident with respiratory distress

CXR of tracheobronchial injury of left mainstem bronchus
CXR AP shows air in the superior mediastinum and neck, airspace disease in the left upper lobe, and a small amount of air in the left pleural space.

The diagnosis was tracheobronchial injury of the left mainstem bronchus with pneumomediastinum and a small left pneumothorax.