|
|
| Tumor extension |
|
|
| Lethality | Metastatic forms | Localised forms with optic nerve | Localised forms without optic nerve | Total |
| Dead | 52 | 19 | 13 | 84 |
| Not dead | 46 | 33 | 41 | 120 |
| Total | 98 | 52 | 54 | 204 |