Figure legends
Figure1 Panel A: Transthoracic echocardiography shows abnormal blood
flow into the right atrium. Panels B-D: Multidetector computed
tomography(MDCT) shows 1) an abnormally dilated vessel originating from
the right coronary sinus of Valsalva, which develops into an aneurysm
and eventually flows into the right atrium.2) an abnormal origin of the
left circumflex artery from the right coronary sinus. 3) a right
coronary artery with normal origin and diameter.