“… 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 However, the accuracy of cardiac magnetic resonance imaging (MRI) and enhanced 3D‐CT has improved in recent years, and these noninvasive modalities have been reported to be useful in diagnosing this complication. 11 , 12 , 13 In this case, the complication was suspected on transthoracic echocardiography after the appearance of cyanosis, and the diagnosis was confirmed by 3D‐CT. This rare complication can be diagnosed immediately after surgery 4 , 10 , 14 or may only be noticed after many years.…”