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Pie chart indicating the histology results of visible polyps detected in ileal mucosal at chromoendoscopy in patients with an IPAA (a) or an IRA (b). Abbreviations: LGD=low grade dysplasia; HGD=high grade dysplasia; and LH=lymphoid (nodular) hyperplasia. Reproduced with permission of the publisher: Feinberg et al., Dis Colon Rectum 1988;31:169–175.54
