A 54 year-old male had been diagnosed with modified TGA at age 40, but no surgery was performed. Enhanced multislice CT reealed the ascending aorta coursing left of the anterior pulmonary trunk.

• 一名54岁男性患者在40岁时诊断出矫正性大动脉转位，当时未行手术。增强多层螺旋CT成像显示升主动脉位于肺动脉前壁左侧.