食管狭窄（stenosis of the esophagus）是指生后即已存在的因食管壁结构内在狭窄的畸形。可分先天性与后天性两种，在狭窄部位的上方伴有食管扩张和肥厚。
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Congenital stenosis of the esophagus is not common.
先天性食管狭窄并不常见。
To investigate the long-term efficacy of temporary placement of expandable metallic stent in the treatment of anastomotic stenosis after operation on esophagus or preventriculus cancer.
目的探讨暂时性金属支架扩张治疗食管、贲门癌术后吻合口良性狭窄的远期疗效。
Objective Preventing the complications of esophagus operation, such as anastomotic leakage and stenosis.
目的防止食管手术后吻合口瘘及吻合口狭窄并发症。
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