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Partially confluent ground glass changes and centrilobular nodules predominantly involving the left lung presumed mostly secondary to contusional injury.

Pneumopericardium with sleeve of dependant high density fluid in the lower left aspect of the sac (coronal reformats). Pneumomediastinum tracking up to the anterior jugular veins. Small bilateral pneumothoraces are present. Shallow left haemothorax.

Prominence of the prevertebral and periaortic planes, without evidence of aortic rupture. Multilevel traumatic disruption of posterior ribs and vertebral transverse processes on the left side.