agenesis of ureter

例句：

1. 1. The patient had agenesis of the ureter, which led to frequent infections.
   这名患者患有输尿管发育不全，这导致了频繁的感染。
2. 2.Ureteral agenesis is a rare condition that can lead to kidney failure if left untreated.
   输尿管发育不全是一种罕见的状况，如果不治疗，可能会导致肾脏功能衰竭。
3. 3.In some cases, ureteral agenesis may be caused by congenital abnormalities or genetic factors.
   在某些情况下，输尿管发育不全可能是由于先天性异常或遗传因素引起的。