Fig. 3From: Interventricular membranous septal aneurysm: CT and MR manifestations33-year-old man with pectus excavatum deformity and aortic pseudocoarctation. MPR of the aortic arch (a) shows an aortic indentation (+) at the level of the proximal descending aorta. Axial (b) and coronal oblique MPR (c) CT images show a lobulated IVMS aneurysm (arrows) projecting into the base of the right ventricleBack to article page