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Zenker's diverticulum

n :  an abnormal pouch in the upper part of the esophagus in which food may become trapped causing bad breath, irritation, difficulty in swallowing, and regurgitation - called also pharyngoesophageal diverticulum  - compare PULSION DIVERTICULUM  .
 
 

 
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Rangely District Hospital (Rangely, Colorado - Rio Blanco County)