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. 2022 Oct 21;9:898467. doi: 10.3389/fcvm.2022.898467

Figure 4.

Figure 4

Invasive angiography (A–C) showing the dominant RCA [Thick arrow in (A)] retrogradely filling the left system via collaterals [Thin arrows in (B)] and no antegrade flow in left cusp injection (C) confirming left main atresia (arrowhead).