Successful endoscopic closure of a colonic perforation one day after endoscopic mucosal resection of a lesion in the transverse colon

Figure 2 Abdominal computed tomography scan images of a man in his 70s who underwent endoscopic mucosal resection of a large polyp on the transverse colon. A: Free air and small ascites were recognized around the right lobe of the liver; B: Air density was recognized inside the adipose tissue around the ascending colon (white arrows); C: The stomach was fully occupied with food particles; D: Which had not yet reached the colon.