This is called Barrett's esophagus - or Barrett's metaplasia, and the cylindrical epithelium has a greater risk of degenerating into a particular type of esophageal cancer, called adenocarcinoma.

这被称为Barrett食管或Barrett化生，而柱状上皮有更大的风险退化为一种特殊类型的食管癌，称为腺癌。