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A 28-year-old man was admitted to our hospital complaining of lower oesophageal dysphagia to solid food of 3 months duration. There was no weight loss or pain. Clinical examination on admission revealed no abnormal findings, and investigations showed no inflammation or anaemia. Barium swallow showed a lacunar image in the distal oesophagus, with normal surrounding folds, suggestive of a benign tumour (fig 1).Upper endoscopy showed a large submucosal tumour, covered by normal mucosa, situated just …
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