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Statistic data.
| Low and intermediate grade tumors | High grade tumors | p-value | |
|---|---|---|---|
| 5 years survival rate with local recurrence | 80% | 34.1% | 0.07 |
| 5 years survival rate with metastases | 100% | 20–40% | 0.004 |
| 5 years survival rate with death | 100% | 35.4% | 0.018 |
| Mean duration of symptoms | 16±4.66 months | 12±4.14 months | 0.56 |
