Table 3 Number (%) of patients with lung metastases according to histology type, tumor size, tumor grade, and gender
| Characteristic | Number (%) of patients with lung metastases |
|---|---|
| Histology type | |
| Ewing sarcoma | 111 (18.8) |
| Osteosarcoma | 232 (15.9) |
| Chondrosarcoma | 69 (5.3) |
| Chordoma | 5 (1.1) |
| Tumor size | |
| < 5 cm | 29 (2.8) |
| > 5 cm | 358 (13.4) |
| Grade | |
| Low | 27 (2.4) |
| High | 263 (16.4) |