Given the large amount of subtended myocardium at risk, left main (LM) disease is one of the most critical subsets of coronary artery disease that portends a high risk of mortality [ ]. Although coronary artery bypass graft surgery had traditionally been a standard of care for patients with significant LM disease, percutaneous coronary intervention (PCI) has become a reasonable alternative option in selected patients due to significant advancements in PCI techniques and devices [ ].