| Variables | Mean (min - max) |
| Age (years) | 52 (30 - 59) |
| Gender | |
| Male | 13 (100%) |
| Tumor side |
|
| Left | 8 (61.5%) |
| Right | 5 (38.5%) |
| Tumor size (cm) | 2.6 (0.6 - 4.5) |
| Tumor location |
|
| Upper | 2 |
| Middle | 7 |
| Lower | 4 |
| R.E.N.A.L Score |
|
| Low | 1 |
| Intermediary | 11 |
| High | 1 |