PMC5478188_01
Contrast-enhanced computed tomography images showing the enlargement of the left kidney, renal pelvis, and ureter (a-c) and gas accumulation within the renal pelvis, ureter, and bladder (a-d). The patient's right kidney is absent, and a thickened gastric wall can be observed (arrows).
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C-reactive protein level (17.9 mg/dL), 3+ urine leukocytes, and 1+ urine nitrite. Contrast-enhanced computed tomography showed enlargement of her left kidney compared with the state before chemoradiotherapy as well as a large quantity of gas within the kidney pelvis, ureter, and bladder (Fig. 1).