esophagram

例句：

1. 1.The doctor used an esophagram to diagnose the patient's condition.
   医生使用食管图来诊断病人的状况。
2. 2.During the operation, the surgeon performed an esophagram to visualize the patient's digestive tract.
   在手术期间，外科医生进行了食管图以可视化患者的消化系统。
3. 3. The esophagram revealed a blockage in the patient's esophagus, which required immediate treatment.
   食管图显示患者食管中有阻塞，需要立即治疗。