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Fig. 4A —45-year-old man with false-positive stricture at ileoanal anastomosis after total proctocolectomy and ileal pouch–anal anastomosis for ulcerative colitis. Lateral (A) and frontal (B) spot images of pelvis from water-soluble contrast enema before takedown of diverting ileostomy show apparent stricture at ileoanal anastomosis (arrows), which has diameter of 8 mm. However, patient had no clinical signs of obstruction after ileostomy closure, and no further imaging studies were performed. This was one of three false-positive anastomotic strictures in our study.