pyloric antrum

例句：

1. 1.The doctor performed an operation to remove the pyloric antrum.
   医生进行了手术，切除了幽门管。
2. 2.The patient was diagnosed with a condition affecting the pyloric antrum.
   患者被诊断出患有影响幽门管的状况。
3. 3.The surgery was successful, and the patient's pyloric antrum returned to normal function.
   手术成功，患者的幽门管功能恢复正常。