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Figure 1


Fig. 1 —Volume rendering of gated chest pain CT angiography image in 62-year-old man with acute onset of atypical chest pain. Scan was obtained on 16-MDCT scanner. Right coronary artery, aorta, and pulmonary arteries are seen. In this and other views (not shown), there is evidence of mild narrowing of mid right coronary artery (black arrow) and type B aortic dissection (white arrow) starting just after origin of left subclavian artery.