Figure 2. (Case 1) Esophagogastroduodenoscopy showed a tumor with ulceration in the second portion of the duodenum, which was definitely diagnosed by a biopsy.
Figure 3. Wedge resection of duodenal gastrointestinal stromal tumors (dGISTs). dGIST of on the side of the pancreas (black arrow). Cut line between the duodenum and the pancreas (yellow arrow).
