Computed tomography (CT) of abdomen showed exchanged position of the superior mesenteric artery (SMA) and the superior mesenteric vein (SMV).

• 腹部放射线检查结果显示右上腹肠腔积气，电脑断层扫描发现上肠系静脉迴转180度，移至在上肠系动脉左侧。