Table 2 Enneking/MSTS staging system
From: Osteosarcoma: a review of current and future therapeutic approaches
Stage | Grade | Size | Metastasis |
|---|---|---|---|
IA | Low | T1—intracompartmental | M0—none |
IB | Low | T2—extracompartmental | M0—none |
IIA | High | T1—intracompartmental | M0—none |
IIB | High | T2—extracompartmental | M0—none |
III | Any | Any | M1—regional or distant |