Magnetic resonance enterography [MRE] images of endoscopic postoperative recurrence. Female patient with severe endoscopic recurrence [Rutgeerts i4]. At MRE, a bowel wall thickness [BWT] of 7 mm at the anastomosis is detected [a, b], with wall enhancement after gadolinium injection [see arrowheads] and narrowing of the lumen for an extent of 2.5 cm [c–e]. Courtesy of Dr. Cristiana Bonifacio.