上述11例手术所见瓣膜分别位于幽门口或幽门管，均行瓣膜切除并幽门成形术。
The membrane found in the above 11 cases located in pyloric exit or tube, and they underwent membrane excision and pyloroplasty.
双幽门是一种较少见的情形，是由胃之前庭与十二指肠之间因廔管形成沟通所组成。
The double pylorus is a rare condition consisting of fistulous communication between the gastric antrum and the duodenum.
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