Saphenous vein graft aneurysm presenting as an anterior mediastinal mass

![Graphic][1] A 63 year old man underwent coronary artery bypass grafting in 1995 from which he made an excellent recovery. In early 2000 he was admitted to hospital with a lower respiratory tract infection. A chest x ray taken at the time suggested a large anterior mediastinal mass. Subsequent computed tomographic scanning demonstrated … [1]: /embed/graphic-1.gif