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 IV (as defined in this table) **Note 2:** The following stage groups are defined in UICC, but not AJCC * Stage Group II (as defined in this table) * Stage Group III (as defined in this table) **Note 3:** While the stage groups below are valid, the specified TNM combinations are only included in SEER*RSA. * Stage Group IIIA - T0, (N1 [NOS], N1a, N1b, N1c, N2a), M0 - T0 is not included in the stage group definition * Stage Group IIIB - T0, N2b, M0 - T0 is not included in the stage group definition * Stage Group IIIB - T2, N2, M0 - N2 is not included in the stage group definition * Stage Group IIIB - T4 [NOS], (N1 [NOS], N1a-N1c), M0 - T4 not included in the stage group definition * Stage Group IIIC - (T4 [NOS], T4a), N2, M0 - N2 is not included in the stage group definition * Stage Group IIIC - T4 [NOS], (N2a, N2b), M0 - T4 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
1 I T1,2 N0 M0
2 II T4 N0 M0
2A IIA T3 N0 M0
2B IIB T4a N0 M0
2C IIC T4b N0 M0
3 III T0,1,3
TX
N2
N1,1a-1c,2,2a,2b
M0
M0
3A IIIA T0-2
T0,1
N1,1a-1c
N2a
M0
M0
3B IIIB T3,4,4a
T2
T2,3
T0-2
N1,1a-1c
N2
N2a
N2b
M0
M0
M0
M0
3C IIIC T4,4a
T3,4,4a
T4b
N2,2a
N2b
N1,1a-1c,2,2a,2b
M0
M0
M0
4 IV T0-3,4,4a,4b,X Any N M1
4A IVA T0-3,4,4a,4b,X Any N M1a
4B IVB T0-3,4,4a,4b,X Any N M1b
99 Unknown T0-3,4,4a,4b
TX
NX
N0,X
M0
M0
88 Not Applicable 88 88 88