Fig. 2

Distribution of pulmonary contusion on X-ray and the corresponding CT-scan. a Chest X-ray showing mild contusion. b CT scan showing mild contusion (mainly on the right side). c Chest X-ray showing moderate contusion (mainly on the left side). d CT scan showing moderate contusion with the presence of multiple pneumatoceles (arrow). e Chest X-ray showing severe contusions on both sides. f CT scan showing severe contusion on both sides