异位胰腺又被称为迷走胰腺,是一种先天性畸形,出现在正常胰腺位置以外,且与正常胰腺组织之间无位置、血管、神经及解剖关系的联系;食道憩室较为罕见,是食道管壁薄弱处形成一个向外突出的与食道相连的盲管状内有开口的腔隙,食道下段憩室又称为隔上食管憩室,发生较为罕见;在食道下段出现憩室并在憩室内伴发异位胰腺更极为罕见,而异位胰腺合并 Ectopic pancreas, also known as the vagus pancreas, is a congenital malformation that appears outside of the normal pancreas and has no association with normal pancreatic tissue for location, blood vessels, nerves, and anatomy; esophageal diverticula are rare, The wall is weak at the formation of a protruding out of the blind with the esophagus is open within the cavity, the lower esophageal diverticulum, also known as esophageal diverticula, occurs more rarely; lower esophageal diverticulum appears in the diverticulum with concurrent Pancreas is extremely rare, and ectopic pancreas merged