ureteral fistula

例句：

1. 1. The patient had a ureteral fistula that required immediate surgery.
   病人有一处输尿管瘘，需要立即手术。
2. 2. Ureteral fistulas can be caused by various factors such as trauma or infection.
   输尿管瘘可以由各种因素引起，如创伤或感染。
3. 3.Ureteral fistulas are typically treated with antibiotics and possibly nephrostomy tube placement.
   输尿管瘘通常用抗生素治疗，并可能放置肾造瘘管。