PMC7391090_01
Chest X-ray upon admission. Bilateral free air in the abdomen was observed.
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fig1
C-reactive protein, 0.092 mg/dL; procalcitonin, 0.21 ng/mL; BNP, 319 pg/mL; intact parathyroid hormone, 149 pg/mL; and beta2-microglobulin, 23.4 mug/mL. Chest X-ray revealed bilateral free air in the abdomen (Figure 1).
(a), (b) Computed tomography of the abdomen one day after admission. Marked pneumoperitoneum was observed.
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fig2
Subsequent computed tomography of the abdomen revealed marked PP (Figures 2(a) and 2(b)).
Chest X-ray one day after admission. The free air in the abdomen had disappeared.
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fig3
As a result, the free air in his abdominal cavity gradually disappeared (Figure 3).