biliary stent dilatation

例句：

1. 1.The patient underwent a biliary stent dilatation to relieve the obstruction.
   患者接受了胆管支架扩张术以缓解阻塞。
2. 2. During the procedure, the surgeon performed a biliary stent dilatation to restore normal flow.
   在手术过程中，外科医生进行了胆管支架扩张术以恢复正常流动。
3. 3. The biliary stent dilatation was successful in relieving the patient's symptoms.
   胆管支架扩张术成功地缓解了患者的病症。