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Duodenal surveillance improves the prognosis after duodenal cancer in familial adenomatous polyposis

Aim  Duodenal adenomatosis in familial adenomatous polyposis results in a cancer risk that increases with age. Endoscopic surveillance has been recommended, but the effect has not yet been documented. The aim of this study was to present the results of long‐term duodenal surveillance and to evaluate the risk of cancer development.