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Figure 1: (a) Chest X-ray showing cardiomegaly with dilated main and right pulmonary arteries with peripheral pruning. (b) Transthoracic echocardiogram showing mass compressing left atrium. (c) Contrast-enhanced computed tomography of the chest showing dilated pulmonary arteries with calcified thrombus in the right pulmonary artery

Figure 1: (a) Chest X-ray showing cardiomegaly with dilated main and right pulmonary arteries with peripheral pruning. (b) Transthoracic echocardiogram showing mass compressing left atrium. (c) Contrast-enhanced computed tomography of the chest showing dilated pulmonary arteries with calcified thrombus in the right pulmonary artery