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Figure 5 Double-oblique free-breathing three-dimensional acquisition of the right coronary artery (RCA) of a healthy volunteer. The images A–D represent four adjacent slices from the 20-slice data set. The in-plane resolution is 0.7 x 1.0 mm, and the slice thickness is 1.5 mm. Image E shows a multiplanar reformatted image of the same data set where 140 mm of the contiguous RCA and 40 mm of the contiguous left circumflex coronary artery (LCX) are seen. Ao = aorta; LM = left main coronary artery; LV = left ventricle; PA = pulmonary artery; RA = right atrium.