(b)
| Case | Age/sex | Nidus | Pathologic stage before Nx (TNM) | Location of metastases at the beginning of followup | Disease state at the beginning of followup | Treatment protocols | Disease state after treatment | Disease state by the end of followup | PFS (month) | OS (month) |
|---|---|---|---|---|---|---|---|---|---|---|
| UPN 11* | 64/M | Right | T1N0M0 | — | CR | Partial left nephrectomy | CR | CR | 22 | 36 |
| UPN 12 | 45/F | Left | T1N0M0 | — | CR | — | CR | 32 | 32 | |
| UPN 13 | 41/M | Left | T1N0M1 | Lung | PR | Chemotherapy + targeted therapy | SD | PD | 7 | 30 |
| UPN 14 | 77/M | Right | T1N1M0 | Retroperitoneal lymph nodes | SD | IFN-α + IL-2 | PR | SD | 11 | 38 |
| UPN 15 | 27/M | Left | T1N0M0 | — | CR | — | CR | 40 | 40 | |
| UPN 16 | 66/M | Left | T1N0M1 | Cervical vertebra | PD | Chemotherapy + radiotherapy | SD | PD | 12 | 35 |
| UPN 17 | 60/M | Right | T2N0M0 | — | CR | Chemotherapy | PR | SD | 19 | 36 |
| UPN 18 | 45/M | Left | T1N0M0 | — | CR | — | CR | 29 | 29 | |
| UPN 19 | 65/F | Left | T2N0M1 | Right adrenal gland | PR | Chemotherapy | PR | SD | 16 | 32 |
| UPN 20 | 46/M | Right | T1N0M0 | — | CR | — | CR | 28 | 28 |
*UPN 11: the patient got left renal metastasis during the course of followup and got CR again after partial left nephrectomy till the end of followup.