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Figure 1 Representative examples of coronary aneurysms. (A) Diffuse aneurysmal disease of the right coronary (maximal diameter: 6.8 mm). (B) Diffuse aneurysmal disease of the proximal and midleft anterior descending artery (maximal diameter: 9.3 mm). (C) Focal aneurysm of the proximal right coronary artery (arrow) (maximal diameter: 11.6 mm).