PMC6037633_01
Coronary angiogram in the right anterior oblique cranial view (A), showing the left circumflex artery (LCx) (arrow) and the left anterior descending artery (LAD) originating from the left main coronary artery. When the right coronary ostium was cannulated (B), another circumflex artery (RCx) (arrow) was noticed in addition to a right coronary artery (RCA) in the left anterior oblique cranial view.
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Conventional angiography revealed that the left anterior descending coronary artery (LAD) had a critical proximal lesion and the left Cx (LCx) was normal and originated from the left main coronary artery (Figure 1). Additionally, there was another nondominant Cx (RCx) arising from the proximal part of the right coronary artery with a significant diffuse stenosis (Figure 1).