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Fig. 2 —53-year-old man with typical chest pain but inconclusive stress tests. Coronary CT angiography was performed with 64-MDCT. Curved multiplanar reformat image shows atheromatous changes (calcified and soft plaques) only in left anterior descending artery (LAD) segment proximal to bridge (solid arrows), causing significant stenosis (open arrows). Note that tunneled segment and distal LAD segment are spared. LV = left ventricle.