Figure 3. CT coronary angiogram showed Distal left main aneurysm containing mural thrombus measures 1.5 cm extending into the proximal LAD. This aneurysm is peripherally calcified. There is no luminal narrowing (long arrow). 1.2 cm aneurysm in the proximal circumflex without mural thrombus (Short arrow)

From

Left Main Coronary Aneurysm: A Rare but a Serious Cause of Acute Myocardial Infarction

Mohammad Alhamaydeh, Daniel Ortolano, David Bassilly, Amanpreet Sherwal

American Journal of Medical Case Reports. 2020, 8(6), 150-152 doi:10.12691/ajmcr-8-6-4