pyloric stenosis

例句：

1. 1.The child's stomach was severely affected by pyloric stenosis, causing severe pain and difficulty swallowing.
   这个孩子的胃严重受到幽门狭窄的影响，导致剧烈疼痛和吞咽困难。
2. 2.After surgery, the patient experienced significant improvement in his symptoms due to pyloric stenosis.
   手术后，由于幽门狭窄，患者的病情显著改善。
3. 3. The medical team decided to perform a gastrotomy to relieve the pressure on the pyloric stenosis.
   医疗团队决定进行胃造口术以缓解幽门狭窄的压力。