A 3 years and 5 months old boy with a history of Kawasaki disease diagnosed at 6 months of age and a previous Non-ST myocardial infarction (NSTEMI) underwent Coronary Artery Bypass Graft (CABG) surgery due to a large perfusion defect and moderate systolic dysfunction on Single-photon emission computed tomography (SPECT) () and a coronary angiogram showing a partially thrombosed giant aneurysm on the Right coronary artery (RCA) and a complete occlusion of the proximal Left anterior descending artery (LAD) (). […]