RADIOLOGY: AORTA: Case# 33935: TRAUMATIC AORTIC INJURY. 30 year old male involved in motor vehicle accident. 1) Suggestion of thrombus within the descending aorta compatible with an aortic injury. Aortogram is recommended. 2) Multiple fractures involving the left manubrium, left lateral first rib and right second costal rib. 3) Minimal left pneumothorax. 4) Subcutaneous emphysema along the left chest wall with extension into the neck bilaterally.