retrograde pancreatography

例句：

1. 1. The patient underwent retrograde pancreatography to evaluate the bile ducts.
   患者接受了逆行胰腺造影术以评估胆管。
2. 2. The procedure is used to diagnose and treat conditions affecting the pancreas.
   该程序用于诊断和治疗影响胰腺的状况。
3. 3. The patient's condition required a retrograde pancreatography to identify any blockages inthe bile ducts.
   患者的病情需要逆行胰腺造影术来识别胆管中的任何阻塞。