Fig. 2

The stent was located using the Szabo technique. a After the stent was placed, the guidewire of the circumflex branch penetrated through the last mesh with slight expansion at the proximal end of the stent. b The opening of the anterior descending branch was accurately located. It can be seen that the angle of the guidewire of the circumflex branch was nearly 90 degrees at the last mesh of the proximal end of the stent