Group Staging Table
Stage Grouping
Occult Carcinoma
TX
NO
MO
Stage 0
TIS
Carcinoma in situ
Stage 1
T1
NO
MO
T2
NO
MO
Stage II
T1
N1
MO
T2
N1
MO
Stage IIIa
T3
NO
MO
T3
N1
MO
T1-3
N2
MO
Stage IIIb
Any T
N3
MO
T4
Any N
MO
Stage IV
Any T
Any N
M1