Enlarged heart with a cardiothoracic ratio (CTR) of 20/29, without evidence of cephalization or overt pulmonary edema. A rounded density in the retrocardiac region is likely indicative of a tortuous aorta or a small hiatus hernia. The lungs appear clear.
Hernia (Uncertain) Tortuous Aorta (Uncertain) Cardiomegaly (Present)