Bolus obstruction of the esophagus.
A 61-year-old woman with a one-day history of complete dysphagia.
Three months earlier she had undergone an esophagectomy for
malignancy. Over the preceding week she had developed increasing
dysphagia. The endoscopy showed a pea lodged above a fibrous
anastomotic stricture. The pea moved freely above the stricture and had produced total obstruction by a 'ball-valve'-like effect. The pea was crushed and the stricture dilated. The photograph also shows a small area of ulceration above the stricture.
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