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Photograph of the silicone phantom model without stricture and filled with red ink.
A. Anteroposterior view.
B. Lateral view. The gastroduodenal junction is angled about 90° in a posterior direction to the long axis of the gastric antrum. E = esophagus, F = fundus, A = antrum, D1 = first segment of duodenum, D2 = second segment of duodenum, D3 = third segment of duodenum, D4 = fourth segment of duodenum, J = proximal portion of the jejunum.
