The exact incidence of<unk>  is not clear. Chest injuries occur in approximately 60% of all polytrauma cases and<unk>  is most frequently caused by chest trauma. The occurrence of<unk>  related to trauma in the United States is estimated to be 300,000 cases annually.
Hemothorax epidemiology and demographics
Pneumomediastinum epidemiology and demographics
Pleural effusion epidemiology and demographics
Air embolism epidemiology and demographics
Hemoptysis epidemiology and demographics
Fat embolism syndrome epidemiology and demographics
Pulmonary embolism epidemiology and demographics
Catamenial pneumothorax epidemiology and demographics