肾变病

例句：

1. 1. He was diagnosed with kidney disease and had to start taking medication.
   他被诊断出患有肾脏疾病，并开始服用药物。
2. 2. Kidney disease is a serious condition that requires immediate medical attention.
   肾脏疾病是一种严重的状况，需要立即就医。
3. 3. The patient's kidney function tests showed abnormal results, indicating the presence of kidney disease.
   患者的肾功能测试结果显示异常，表明存在肾脏疾病。