| 临床特征 | 病例数 | 百分比 | |
| 性别 | 男 | 17 | 45.9% |
| 女 | 20 | 54.1% | |
| 年龄 | ≤18岁 | 11 | 29.7% |
| >18岁 | 26 | 70.3% | |
| 原发部位 | 头颈 | 6 | 16.2% |
| 上肢 | 6 | 16.2% | |
| 躯干 | 2 | 5.4% | |
| 下肢 | 21 | 56.8% | |
| 脏器 | 2 | 5.4% | |
| 肿瘤最大径 | T1 | 20 | 54.1% |
| T2 | 12 | 32.4% | |
| T3 | 2 | 5.4% | |
| Tx | 3 | 8.1% | |
| 首诊情况 | M0 | 19 | 51.3% |
| M1 | 18 | 48.7% | |