Clinical Significance of a Single Coronary Artery Arising from the Right Sinus of Valsalva With the Left Anterior Descending Anterior to the Pulmonary Artery and a Retro-Aortic Left Circumflex

We present a rare case of a single coronary artery originating from the right sinus of Valsalva. The incidence of this anomaly is 0.004%.