Main pulmonary artery compression by a giant aneurysm associated with a coronary-pulmonary artery fistula

A 66-year-old woman with no history of adverse cardiovascular events presented with exertional dyspnoea. Computed tomography (CT) showed a giant mass in contact with her left ventricle. Subsequent cardiac CT angiography and transthoracic echocardiography confirmed main pulmonary artery (MPA) compression due to a giant aneurysm (40 mm), which originated from a coronary-pulmonary artery fistula (CPAF) of the proximal left anterior descending...