Cardiac aneurysm of the membranous portion of the interventricular septum.
D000783:Aneurysm; D006322:Heart Aneurysm; D006343:Heart Septal Defects; D006346:Heart Septum / Q000002:abnormalities*; D006801:Humans; D008566:Membranes; D054088:Ventricular Septum
ANEURYSM; HEART SEPTUM/abnormalities