Where is the lesion ?

Image in interventional cardiovascular medicine: what is displayed on this image? ... And do not hesitate to comment on how you would treat this case!

A 60-year-old male patient with no known underlying disease presented with chest pain at rest persisting for two days without resolution.
ECG showed ST-segment depression in leads II, III, and aVF.
Troponin T increased from 150 to 550.
Left coronary angiogram in LAO cranial view shown in the image.

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