TNM 7 Stage Group

This input is used for staging

Notes

**Note 1:** SEER*RSA added additional information to UICC 7th edition stages with UICC approval. If your registry submits the directly assigned Stage Groups to agencies other than SEER, please check the AJCC 7th edition manual to ensure you are using the appropriate logic * Stage Group III (as defined in the table) **Note 2:** While the stage groups below are valid, the specified TNM combinations are only included in SEER*RSA. * Stage Group IIB - T4, N0, M0 - T4 is not included in the stage group definition * Stage Group IIIA - T4, N1, M0 - T4 is not included in the stage group definition * Stage Group IIIB - T4, N2, M0 - T4 is not included in the stage group definition * Stage Group IIIC - T4, (N3 [NOS], N3a, N3b), M0 - T4 is not included in the stage group definition

Default

99

NAACCR Item

NAACCR #970

Metadata

None
Stage Stage Display T N M
0 0 Tis N0,X M0
1A IA T1,1a,1b N0 M0
1B IB T2
T1,1a,1b
N0
N1
M0
M0
2A IIA T3
T2
T1,1a,1b
N0
N1
N2
M0
M0
M0
2B IIB T4,4a
T3
T2
T1,1a,1b
N0
N1
N2
N3,3a,3b
M0
M0
M0
M0
3 III T4b NX M0
3A IIIA T4,4a
T3
T2
N1
N2
N3,3a,3b
M0
M0
M0
3B IIIB T4b
T4,4a
T3
N0,1
N2
N3,3a,3b
M0
M0
M0
3C IIIC T4,4a
T4b
N3,3a,3b
N2,3,3a,3b
M0
M0
4 IV T0,1,1a,1b,2,3,4,4a,4b,X Any N M1
99 Unknown T0
T1,1a,1b,2,3,4,4a
TX
N1,2,3,3a,3b,X
NX
Any N
M0
M0
M0
88 Not Applicable 88 88 88