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Copyright ©The Author(s) 2021.
World J Gastroenterol. Jul 14, 2021; 27(26): 4143-4159
Published online Jul 14, 2021. doi: 10.3748/wjg.v27.i26.4143
Figure 7
Figure 7 A 65-year-old man with abdominal pain and severe pulmonary involvement. A: Unenhanced computed tomography scan of the upper abdomen showed signs of pneumoperitoneum secondary to mechanical ventilation and cholelithiasis; B: The presence of gas within the peritoneal cavity was also appreciable at lower levels of the abdomen on unenhanced computed tomography scan.