CT angiography in the transverse plane through the mid thorax (A) shows a focal dissection of the aorta (arrow). Magnified view (B) shows a curvilinear accumulation of extraluminal contrast in the wall of the aorta (arrow). Sagittal reconstruction (C) shows a short focal dissection of the descending thoracic aorta (arrow). Magnified view (D) showing localized dissection (arrow). Reconstruction of the aorta (E) showing a stent in the descending thoracic aorta (arrow).