Robotic-assisted laparoscopic resection of ectopic pancreas in the posterior wall of gastric high body: Case report and review of the literature

Figure 1 One submucosal lesion about 1. 5 cm in diameter with a round surface on the area of the posterior wall of gastric high body with mucosal ulceration (arrow).

Figure 2 Detachment of greater omentum from the greater curvature of the stomach with a harmonic scalpel.

Figure 3 Localization of the tumor mass by intra-operative upper tract endoscopy. A: Tumor lesion in the posterior wall of gastric high body; B: robotic-assisted laparoscopic wedge resection of the gastric high body; C: submucosal tumor with tumor-free margin; D: cutting surface with firm, yellow, well-circumscribed, lobulated nodules.

Figure 4 Pancreatic acinar cells and ducts shown in the low power view of gastric submucosal tumor (A) and in the high power view of ectopic pancreas (B).