PMC4560205_01
Chest radiograph in the sitting posture. Chest radiograph shows free gas in the right and left subdiaphragmatic regions
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Fig1
A chest radiograph in the sitting posture showed free gas below the diaphragm (Fig. 1).
Abdominal computed tomography. Computed tomography findings show a massive pneumoperitoneum localized to the upper abdomen without collection of intra-abdominal fluid, pneumoretroperitoneum, or subcutaneous emphysema
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Fig2
The abdominal CT scans revealed large quantities of gas without fluid collection, which were spread in the upper abdomen, mainly at the surface of the liver, but not in the bursa omentalis, lower abdomen, or pelvis (Fig. 2).