Table 1. Study cohort characteristics.
| Patient # | Age (years) | Sex | TNM stage at initial diagnosis | Nephrectomy histology | Time from nephrectomy to metastasis (months) | Heng criteria prognostic group [12] |
|---|---|---|---|---|---|---|
| 1 | 65 | Male | pT2a cN0M0 | ccRCC, grade II | 73 | Favorable risk |
| 2 | 61 | Male | pT3aN1M1 | ccRCC, grade IIIa | 0 | Poor risk |
| 3 | 54 | Male | pT1b cN0M0 | ccRCC, grade III | 11 | Intermediate risk |
| 4 | 47 | Male | pT2a cN0M0 | ccRCC, grade III | 16 | Intermediate risk |
| 5 | 58 | Male | pT1bN0M1 | ccRCC, grade II | 0 | Intermediate risk |
Biopsy of site of metastatic disease consistent with sarcomatoid ccRCC