PMC5178002_01
MRI of the abdomen showing normal appearance of the left renal pelvis in which high-grade transitional cell tumor was discovered on ureteroscopy.
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No lesion could be identified in the collecting system on CT or MRI of the abdomen and pelvis (Fig. 1).
Timeline of urine biomarkers.
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FISH tests remained negative throughout. Figure 2 reveals the timeline of her clinical course.