Third mogul sign

Extra bump along upper left heart silhouette

Common: Germ cell tumor; Left atrial appendage enlargement; Left ventricular aneurysm; Lymphoma; Pericardial adhesion; Pericardial defect; Rheumatic heart disease; Thymic cyst; Thymoma; Thymus gland
Uncommon: Arteriovenous fistulas; Asbestosis; Cardiac neoplasm; Cardiomyopathy; Coronary artery aneurysm; Corrected transposition of great vessels; Ebstein anomaly; Hydatid cyst; Inverted rudimentary right ventricle; Left-sided ascending aorta; Neoplasm of pericardium; Pericardial cyst; Pleural plaque; Pulmonary artery aneurysm; Pulmonary artery conduit; Right atrial appendage, levoposition; Sinus of Valsalva aneurysm; Tetralogy of Fallot