Group | Number of patients | Gross total resection | Residual tumor |
1 | 10 | 7/10 (70%) | 3/10 (30%) |
2 | 10 | 10/10 (100%) | - |
3 | 10 | 10/10 (100%) | - |
All study patients | 30 | 27/30 (90%) | 3/30 (10%) |