Postoperative encapsulated hemoperitoneum in a patient with gastric stromal tumor treated by exposed endoscopic full-thickness resection: A case report

Figure 2 Abdominal computed tomography examination. A: Gastric computed tomography (CT) illustrated a well-demarcated mass, 16 mm × 15 mm in size, demonstrating mild enhancement, with an intact mucosal line; B: Abdominal CT revealed a large amount of encapsulated fluid and gas accumulation around the stomach.