wandering kidney

例句：

1. 1.The wandering kidney is a common cause of chronic pain in the lower back.
   游荡的肾脏是慢性下背部疼痛的常见原因。
2. 2.The wandering kidney can lead to fluid accumulation and swelling in the affected area.
   游荡的肾脏可能导致受影响区域的液体积聚和肿胀。
3. 3.Diagnosis of the wandering kidney often requires imaging studies, such as ultrasound or CT scans.
   诊断游荡的肾脏通常需要影像学检查，如超声波或CT扫描。