 Left circumflex:  Left circumflex is a large-caliber vessel, gives off a large distal PDA branch, has a 99% proximal lesion, 50% mid vessel lesion, and a 50% lesion in the OM, which is a distal branch.
Left circumflex : Left circumflex is a large - caliber vessel , gives off a large distal PDA branch , has a 99 % proximal lesion , 50 % mid vessel lesion , and a 50 % lesion in the OM , which is a distal branch .