| Preoperative tumor volume (cm3) | ||
| Number | Mean | Standard Deviation |
| 56 | 38.62 | 31.71 |
| Edema Index (EI) | ||
| Number | Mean | Standard Deviation |
| 56 | 4.27 | 3.52 |
| Ki67 Index (%) | ||
| Number | Mean | Standard Deviation |
| 56 | 3.28 | 3.96 |