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Angiographic findings. (A) Proximal right coronary artery (RCA) subtotal occlusion (arrow) prior to percutaneous coronary intervention (PCI). (B) Angiography during PCI. Extravasation of contrast (arrowheads) indicating a local aortic root dissection. (C) Extravasation of small amount of contrast (arrowheads) indicating perforation in distal RCA.
