“…Even less frequently, fistulization into any neighboring structure can occur on dilated SVG, with right cavities being the most often compromised. Clinical presentation of SVG aneurysms, both in the presence or absence of fistula can often be misleading, as they have been described as a cause of arrhythmias, angina, hemothorax, superior vena cava syndrome, cardiac tamponade , mediastinal mass , or heart failure .…”