| Characteristics number of patients | % | |
| Gender |
| |
| Male | 7 | 70% |
| Female | 3 | 30% |
| Way of life |
| |
| Alcohol + tobacco | 8 | 80% |
| Alcohol | 2 | 20% |
| Seat |
| |
| Upper limb | 4 | 40% |
| Lower limb | 6 | 60% |
| Tumor size |
| |
| 5 - 10 cm | 2 | 20% |
| 10 - 20 cm | 7 | 70% |
| >20 cm | 1 | 10% |
| Histological type |
| |
| Well differentiated | 7 | 70% |
| Moderately differentiated | 2 | 20% |
| Little differentiated | 1 | 10% |