T1 < or = 8cm
T2 > 8cm
T3 Multiple/discontinuous tumors
N1 Regional lymph node involvement
G1 Well-differentiated
G2 Moderately differentiated
G3 Poorly differentiated
G4 Undifferentiated
Stage IA G1 or 2 T1 N0 M0
Stage IB G1 or 2 T2 N0 M0
Stage IIA G 3 or 4 T1 N0 M0
Stage IIB G 3 or 4 T2 N0 M0
Stage III Any G T3 N0 M0
Stage IVA Any G Any T N0 M (lung only)
Stage IVB Any G Any T Any N Any M
(M= metastasis)
