Giant right coronary artery aneurysm in the setting of the acute coronary syndrome: A case report.

Giant right coronary artery (RCA) aneurysm is a rare coronary artery pathology. We describe a 45-year-old gentleman who presented with unstable angina of recent onset. Diagnostic workup including chest computed tomography angiography and left heart catheterization demonstrated three-vessel coronary artery disease with giant proximal RCA aneurysm.