Male, 48 years old.Reason: pneumothorax History: trauma, mid thoracic back pain, vehicle lifted 10 feet in the air and dropped violently. No pleural effusion or pneumothorax. No focal pulmonary opacities. Widening of the aortic knob is suspicious for aortic injury.
Questionable widening of the aortic knob. Correlation with CT is recommended for further evaluation.