This syndrome is a rare congenital abnormality of coronary artery and refers to origin of the left coronary artery from the pulmonary artery. Normally both right and left coronary artery originate from the aorta. Classified under the Anomalous Pulmonary Origin of Coronaries(APOC) by the Society of Thoracic Surgeons-Congenital Heart Surgery database it is amongst the  3 most common clinically significant congenital coronary anomalies treated surgically, the other two being Anomalous Coronary Origin of Coronaries(AAOC) and Coronary Arteriovenous fistula(CAVF)
Bland-White-Garland syndrome
Boerhaave syndrome
Swyer's syndrome
IMAGE syndrome
Plummer-Vinson syndrome
Mohr-Tranebjaerg syndrome
May-Thurner syndrome
Klein-Levin syndrome