Figure 1From: Endoscopic resection of duodenal bulb neuroendocrine tumor larger than 10 mm in diameter Endoscopic findings of the duodenal neuroendocrine tumors. A, B, C, D. Semipedunculated elevation accompanied by an irregularly shaped erythematous central depression (A: patient 1; B: patient 2; C: patient 3; D: patient 4).Back to article page