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Histological characteristics of tumors according to 2021 WHO classification.
| 2021 WHO Classification | Grade 2 | Grade 3–4 | Total |
|---|---|---|---|
| Astrocytoma | 9 | 3 | 12 |
| Oligodendroglioma | 11 | 10 | 21 |
| Glioblastoma | 0 | 28 | 28 |
| IDH wt | IDH mutant | ||
| Astrocytoma | 0 | 12 | 12 |
| Oligodendroglioma | 0 | 21 | 21 |
| Glioblastoma | 28 | 0 | 28 |
