TABLE 2

Clinical Staging of Osteosarcoma Based on Tumor Grade and TNM

Tumor gradeTNMClinical stage
G1, G2T1 N0 M0IA
G1, G2T2 N0 M0IB
G3, G4T1 N0 M0IIA
G3, G4T2 N0 M0IIB
Any GAny T, N1 M0IVA
Any GAny T, any N, M1IVB

  • Stage III is not defined.