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

Picci Orphanet Journal of Rare Diseases 2007 2:6   doi:10.1186/1750-1172-2-6