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Fig. 1A 55-year-old man with nonanastomotic stricture after colonic
interposition for esophageal carcinoma. Frontal spot image from
single-contrast upper gastrointestinal tract examination shows long segment of
narrowing (white arrows) involving proximal two thirds of interposed
colon. Note relatively smooth contour and tapered margins (long black
arrows) of stricture. Esophagocolic anastomosis (short black
arrow) is located proximally in upper chest just above aortic arch.