Figure 5 . oblique scan in right iliac fossa showing the zone of transition ( arrow ) 右侧髂窝斜向扫描显示过渡区（箭头） 。
2.
Figure 3 . oblique scan of the right iliac fossa showing the zone of transition ( arrow ) of the dilated to nondilated bowel 图3右侧髂窝斜向扫描显示扩张和非扩张肠管的过渡区（箭头） 。
