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Case of duodenal adenoma. A: A whitish polypoid lesion is observed in the second portion of the duodenum; B: Chromoendoscopy clarifies the presence of lobulation. The lesion was diagnosed as a 0-Isp type adenoma; C: Histology of the biopsy specimen confirms a non-carcinomatous lesion, and the final diagnosis is a low-grade adenoma.
