dilatation cyst

例句：

1. 1.The patient had a dilatation cyst in her kidney that required surgery.
   这位患者肾脏中有扩张性囊肿，需要手术。
2. 2.The doctor diagnosed the patient with a dilatation cyst and recommended antibiotics.
   医生诊断出患者患有扩张性囊肿，并建议使用抗生素。
3. 3. The dilatation cyst gradually grew larger over time, causing discomfort for the patient.
   随着时间推移，扩张性囊肿逐渐增大，给患者带来了不适。