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Fig. 3 Findings of postoperative examinations. (A) The axial image of postoperative CT revealed the Valsalva sinus was an excellent form contained without a gap. The Valsalva diameter was reduced from 55 mm to 39 mm. (B) The sagittal image of CT showed no distortion and no stenosis of the bilateral coronary arteries associated with the covered graft. The annulus diameter decreased from 32 mm to 28 mm. (C) The postoperative echocardiography showed that the valve leaflets motion was not restricted and had adequate coaptation without regurgitation. Coaptation height and effective height were measured at 8 mm and 11 mm, respectively. Ao: aorta; CT: computed tomography; LV, left ventricle.