Fig. 4From: Lipomatous hypertrophy of the atrial septum – a benign heart anomaly causing unexpected surgical problems: a case reportCT scan. Visible lipomatous tissue surrounding the fossa ovalis (*) with the characteristic hourglass shape (between the red arrows). The marked mass, measuring 30.2 mm × 51.7 mm, extends to the back wall of the right atrium (RA) and crista terminalis (white arrow)Back to article page