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![ESD for duodenal carcinoma](https://image.oaes.cc/734b0d4a-348d-46b7-a73a-a0628cc2528a/4608.fig.1.jpg)
Figure 1. Duodenal ESD using the water pressure method: (A) a 40 mm flat elevated lesion was found in the descending duodenum; (B, C) mucosal incision; (D, E) hitting the submucosa with water contributed to improved visibility of the dissecting area; and (F) the lesion was resected without any adverse events.