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Figure 5 Systolic Compression of the Left Coronary Artery
(Top) Sagittal oblique cross-section on CT. Note the banana-shape of the left coronary artery (arrow) caused by systolic compression between the anterior pulmonary artery the posterior aorta (left panel). During diastole, caliber and shape of the coronary artery are normal (right panel). (Bottom) Corresponding invasive angiogram: the systolic compression of the proximal segment of the left coronary artery appears nonsignificant. Abbreviations as in Figure 1.
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