Figure 1. Oblique scan above the umbilicus showing the zone of transition (arrow) between the dilated and nondilated bowel.
Figure 1. Oblique scan above the umbilicus showing the zone of transition (arrow) between the dilated and nondilated bowel.
图1脐上斜向扫描显示在扩张和非扩张肠管间存在过渡区（箭头）。