Figure legends
Fig.1.Transesophageal echocardiography illustrating a 1.56cm×1.24cm mobile, sessile, irregular mass (solid arrow) attached to the Chiari network. IVC = inferior vena cava,RA = right atrium, RV = right ventricle.
Fig.2. Intraoperative findings: tumor adhering to the Chiari network between inferior vena cava and coronary sinus. CN = Chiari network, CS = coronary sinus, IVC = inferior vena cava, PFE = papillary fibroelastomas.
Fig.3. High-power (100) magnification of papillary fronds: consisting of a central avascular core rich in elastic fibers and lined by superficial endothelial cells.