case_images: PMC5178002_01
case_images: MRI of the abdomen showing normal appearance of the left renal pelvis in which high-grade transitional cell tumor was discovered on ureteroscopy.
case_images: fig-1.jpg
case_images: PMC5178002_01_fig-1.jpg
case_images: f1
case_images: No lesion could be identified in the collecting system on CT or MRI of the abdomen and pelvis (Fig. 1).
case_images: Timeline of urine biomarkers.
case_images: fig-2.jpg
case_images: PMC5178002_01_fig-2.jpg
case_images: f2
case_images: FISH tests remained negative throughout. Figure 2 reveals the timeline of her clinical course.