Table 1.
Surgical staging of bone sarcomas
| Stage | Grade | Site | Metastasis |
| IA | Low | Intracompartmental | No |
| IB | Low | Extracompartimental | No |
| IIA | High | Intracompartimental | No |
| IIB | High | Extracompartimental | No |
| III | Any | Any | Regional or distant |
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