Figure 3: (a) Computed tomography (CT) chest in sagittal section demonstrates a large LSOV communicating with MPA (black arrow) (b) Post-surgery CT chest in sagittal section, shows ascending aorta Dacron graft and absence of any aorto-pulmonary communication. Asc: Ao ascending Aorta, Desc: Ao descending aorta, LSOV: An left sinus of Valsalva aneurysm, MPA: Main pulmonary artery, FC: Fistulous communication (white arrow), Ao R: aortic root