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. * T1 (Stage Group I **is** defined by AJCC as T1, N0, M0) * Stage Group III (as defined below in the table) **Note 2:** While the stage groups below are valid, the specified TNM combinations are only included in SEER*RSA * Stage Group IIIA - (T0,1,1a,1b,2), N1, M0 --- N1 is not included in the stage group definition * Stage Group IIIA - T0, (N1a-N1b), M0 --- T0 is not included in the stage group definition * Stage Group IIIB - T0, (N2a-N2b), M0 --- T0 is not included in the stage group definition * Stage Group IIIC - T0, N2c, M0 --- T0 is not included in the stage group definition * Stage Group IVA - (T0, TX), N3, M0 --- T0 and TX are 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 N0 M0
1A IA T1a N0 M0
1B IB T1b N0 M0
2 II T2 N0 M0
3 III T0,1,1a,1b,2 N2 M0
3A IIIA T0,1,1a,1b,2 N1,1a,1b M0
3B IIIB T0,1,1a,1b,2 N2a,2b M0
3C IIIC T0,1,1a,1b,2 N2c M0
4A IVA T0,1,1a,1b,2,3,X
T3
N3
Any N
M0
M0
4B IVB T0,1,1a,1b,2,3,X Any N M1
99 Unknown T0,1,1a,1b,2
TX
NX
N0,1,1a,1b,2,2a-2c,X
M0
M0
88 Not Applicable 88 88 88