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a–c Axial (a), coronal (b), and sagittal (c) maximum-intensity projection (5 mm) coronary computed tomographic angiographic images depicting the origin of the left coronary artery (LCA) (arrows) from the pulmonary trunk (TP) and not from the Aorta (Ao). Several calcifications are noted at the papillary muscle (short arrow in b), resulting from chronic ischemic changes. LAD Left coronary artery, LCx Left circumflex coronary artery
