| Category | Chemotherapy | ||
| No | Yes | ||
| Benign | No. | 29 | 0 |
| % | 100.0% | 0.0% | |
| Borderline | No. | 11 | 4 |
| % | 73.3% | 26.7% | |
| Low grade malignancy | No. | 1 | 0 |
| % | 100.0% | 0.0% | |
| Malignant | No. | 2 | 8 |
| % | 20.0% | 80.0% | |
| Unpredicted biologic behavior | No. | 2 | 2 |
| % | 50.0% | 50.0% | |
| Total | No. | 45 | 14 |
| % | 76.3% | 23.7% | |