Fig. 2From: Perigastric abscess caused by delayed perforation after gastric endoscopic submucosal dissection: successful conservative treatment without perforation closure: a case reportA computed tomography examination revealed the presence of free air in the peritoneal cavity, and a little fluid collection abutting the dorsal area of the stomach. Left circle in the figures shows the free air in the abdominal cavity and right circle shows the fluid collection caused by delayed perforationBack to article page