Fig. 1From: Inflammatory myofibroblastic tumor of the heart in an older woman with paroxysmal atrial fibrillation: a case report and review of the literatureA ~ C: A solid hypoechoic nodule of 11 mm×10 mm in size on the right atrial surface of the atrial septum near the entrance of the superior vena cava, with uniform internal echo and a base width of about 5 mm. D: CDFI: there was no obvious blood flow signal in the nodule. Mass indicated in Figures a-d by arrowsBack to article page