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Fig. 6 Comparison of aortic dimension measurements between noncontrast and contrast-enhanced magnetic resonance angiography. AA = ascending aorta; Arch = aortic arch; CE-MRA = contrast-enhanced magnetic resonance angiography; DA = descending aorta; Diaphragm = at level of diaphragm; LCC = left common carotid artery; LSA = left subclavian artery; NC-MRA = noncontrast magnetic resonance angiography; RBC = right brachioce-phalic artery; Sinus = sinus of Valsalva; STJ = sinotubular junction
