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. **Note 2:** While the stage groups below are valid, the specified TNM combinations are only included in SEER*RSA. * Stage Group III - (T3, T3a), NX, M0 - NX is not included in the stage group definition * Stage Group IIIB - T0, N1, M0 - T0 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
1 I T1 N0 M0
1A IA T1a N0 M0
1A1 IA1 T1a1 N0 M0
1A2 IA2 T1a2 N0 M0
1B IB T1b N0 M0
1B1 IB1 T1b1 N0 M0
1B2 IB2 T1b2 N0 M0
2 II T2 N0 M0
2A IIA T2a N0 M0
2A1 IIA1 T2a1 N0 M0
2A2 IIA2 T2a2 N0 M0
2B IIB T2b N0 M0
3 III T3
T3,3a
N0
NX
M0
M0
3A IIIA T3a N0 M0
3B IIIB T0,1,1a-1b2,2,2a-2b,3,3a,3b
T3b
N1
N0,X
M0
M0
4A IVA T4 Any N M0
4B IVB T0,1,1a-1b2,2,2a-2b,3,3a,3b,4,X Any N M1
99 Unknown T0,1,1a-1b2,2,2a-2b
TX
NX
Any N
M0
M0
88 Not Applicable 88 88 88