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A 63-year-old man who was a retired truck driver had undergone four-vessel coronary-artery bypass grafting and was well, with no recurrent symptoms. However, on follow-up stress echocardiography to assess left ventricular function 14 months later, mild dilatation of the left atrium was noted, and a mass (3.2 by 1.6 cm) adhering to the left atrial septum and extending into the left atrial lumen, suggestive of a myxoma, was also found. Contrast-enhanced computed tomography confirmed the presence of the left atrial mass (indicated by an arrow in this coronal view of the heart). The mass was consistent with the diagnosis of . . . [Full Text of this Article] |