pyloric atresia

例句：

1. 1. Thechild's stomach was severelyaffected by pyloric atresia, requiring surgery to relieve the blockage.
   这个孩子因为幽门闭锁严重，需要手术来解除阻塞。
2. 2. Due topyloric atresia, thepatient had difficulty swallowing and required frequentfeedings.
   由于幽门闭锁，患者吞咽困难，需要频繁喂食。
3. 3. Pyloric atresia is a rare conditionthat can lead to serious complications if leftuntreated.
   幽门闭锁是一种罕见病症，如果不治疗，可能会导致严重的并发症。