A 56-year-old man presented with dyspnea and chest discomfort following gastrectomy for metastatic adenocarcinoma. Transthoracic echocardiography showed a mass in the right atrium (RA); he subsequently underwent transesophageal echocardiography using a biplane probe. Imaging done in the horizontal plane (Fig 1⇓) showed a mass (arrows) in the RA; vertical plane imaging (Fig 2⇓) revealed a serpentine mass (arrows) originating in the superior vena cava (SVC) and extending into the RA, consistent with thrombus. AO indicates aorta; IVC, inferior vena cava; and LA, left atrium.
The editor of Images in Cardiovascular Medicine is Hugh A. McAllister, Jr, MD, Chief, Department of Pathology, St Luke’s Episcopal Hospital and Texas Heart Institute, and Clinical Professor of Pathology, University of Texas Medical School and Baylor College of Medicine.
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