Fig. 2

A 77-year-old female presented with anemia secondary to an aggressive clear cell RCC. a Axial post contrast corticomedullary phase CT image shows a heterogeneous left renal tumor with increased vascularity (black arrow), invasion of the left renal vein (dashed arrow) and perinephric tumor deposits (white arrow). b Coronal post contrast nephrographic phase CT image shows tumor invasion of the collecting system (white arrow)