Fig. 1

Computed tomographic (CT) scans. Left renal mass of 10 × 12 cm at diagnosis (a and b). Liver recurrence (c) and response after 5 months of sirolimus treatment (d)
Computed tomographic (CT) scans. Left renal mass of 10 × 12 cm at diagnosis (a and b). Liver recurrence (c) and response after 5 months of sirolimus treatment (d)