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Fig. 5D —Coronary CT angiography (CTA) images that were used as
samples to illustrate each grade of image quality: grade 1 = high mottle, 2 =
medium mottle, 3 = low mottle, and 4 = minimal or no mottle. Selected normal
coronary vessels (C) and normal internal mammary arteries (D) of
1.5 mm in diameter are shown in color-coded volume-rendered images (upper
row) and curved multiplanar reconstructions (bottom row). From
left (grade 1) to right (grade 4), sample image of each quality grade is
shown.
