renal tuberculosis with contra-lateral hydronephrosis

例句：

1. 1. He was diagnosed with renal tuberculosis and required treatment.
   他被诊断出患有肾结核，需要治疗。
2. 2. The patient's condition worsened due to the lack of proper treatment for renal tuberculosis.
   由于没有对肾结核进行适当的治疗，患者的病情恶化了。
3. 3. Renal tuberculosis is a serious disease that can lead to kidney failure if left untreated.
   肾结核是一种严重的疾病，如果不进行治疗，可能会导致肾脏衰竭。