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Figures 13.   (13) Acute radiation enteritis in a 61-year-old woman with a history of radiation therapy after hysterectomy for cervical cancer. (a) Image from a small bowel follow-through study shows luminal narrowing and a thickened bowel wall (open arrows) and mucosal irregularity due to ulceration (solid arrows). (b) Coronal half-Fourier single-shot fast spin-echo MR image also shows luminal narrowing and a thickened bowel wall (arrows).