| 单词 | megaoesophagus | 
| 释义 | > as lemmasmegaoesophagus   megaoesophagus  n.  Brit. , U.S. Pathology gross dilatation of the oesophagus, often associated with achalasia or Chagas' disease. ΚΠ 1937    Guy's Hosp. Rep. 87 158  				Megaoesophagus may be defined as a dilatation of the oesophagus caused by a functional disorder of the cardia. 1987    D. J. Weatherall et al.  Oxf. Textbk. Med. 		(ed. 2)	 I.  v. 523/2  				Early megaoesophagus can be relieved by balloon dilation but established severe megaoesophagus and megacolon require surgery. < as lemmas | 
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