Patient Characteristics
| Characteristic | n |
| Sex | |
| Female | 12 |
| Male | 18 |
| Tumor grade | |
| Grade III | 6 |
| Grade IV | 24 |
| KPS | |
| 70–80 | 13 |
| 90–100 | 17 |
| No. of recurrences | |
| 1–2 | 24 |
| 3–4 | 5 |
| 5 | 1 |
| Dexamethasone treatment | |
| Absence | 12 |
| Presence | 18 |
Median age of patients was 58 y, and age range was 26–78 y.