Fig. 3
a, b A 69-year-old female with a remote history of treated small-cell carcinoma and stent graft placement of the descending aorta presenting with slowly progressive left supraclavicular mass. Axial contrast-enhanced CT (CECT) image (a) above the level of the sternoclavicular joint and volume-rendered image (b) identifies a high, dilated and elongated aortic arch extending into the left cervical region. These aortic arches can dilate with aneurysm formation, which can cause a mass effect on the surrounding structures in the thoracic inlet