Coronary-Cameral Fistula to Pulmonary Artery: An Innocent Bystander?

Coronary-cameral fistula (CCF) is a rare congenital communication between a coronary artery and a cardiac chamber or a great vessel. Most patients are asymptomatic and these lesions are incidentally detected during coronary angiography, with the reported incidence being up to 0.2%. The most frequent draining sites are right ventricle, right atrium, and pulmonary arteries, with less frequent drainage to the left side of the heart. The majority of...