PEIR Digital Library

Welcome to the Pathology Education Informational Resource (PEIR) Digital Library, a multidisciplinary public access image database for use in medical education.

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00249137

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GROSS: GASTROINTESTINAL: GI: ESOPHAGUS: ACHALASIA, MEGAESOPHAGUS BELOW STRICTURE; 4.28 DYSPHAGIA FOR 30 YEARS. SWALLOWED RUBBER BALL TO DILATE