UK Guidelines for the Management of Bone Sarcomas

Table 2

Enneking staging.

Stage	Grade	Tumour	Metastasis
IA	G1 low grade	T1 cortex intact (intracompartmental)	M0
IB	G1 low grade	T2 cortex breached with soft tissue extension	M0
IIA	G2 high grade	T1 cortex intact	M0
IIB	G2 high grade	T2 cortex breached with soft tissue extension	M0
IIIA	G1 or G2	T1	M1
IIIB	G1 or G2	T2	M1