Hourglass stricture of the proximal gastric corpus. The image and the video display a proximal hourglass stricture of the gastric corpus. The video clip displays resistance to pass the endoscope through the stenosis. Retraction of the gastric wall adjacent to lesser-curve ulcers may lead to the formation of smooth, symmetric folds that radiate from the ulcer crater. The opposite wall may also be retracted; this produces an incisura of the greater curvature and, ultimately, an hourglass stomach.
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