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FIGURE 5. Published example of 16-slice CTA (Siemens) in 49-y-old male with chest pain and ischemic exercise electrocardiography. CTA revealed left anterior descending artery (LAD) stenosis and normal right coronary artery (RCA). (1a) Coronary angiography showing severe lesion in LAD. (1b) A volume-rendering technique of RCA (MDCT) axial slice visualizing high-grade lesion. (1c) MDCT 3-dimensional volume-rendering technique. (1d) MDCT curved multiplanar reconstruction. (2a) Coronary angiography of RCA. (2b) MDCT volume-rendering technique of RCA. Ao = aorta; DB = diagonal branch; LV = left ventricle; PT = pulmonary trunk; VB = ventricular branch. (Adapted with permission from (38).)