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Single coronary artery from right aortic sinus giving rise to left main coronary artery and a hypoplastic right coronary artery.

Coronary artery anomalies are uncommon and the occurrence of a single coronary artery with no structural heart disease is very rare. We report a hitherto undescribed type of single coronary artery originating from the right aortic sinus giving rise to left main coronary artery and right coronary artery that was hypoplastic proximally.