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 II - T2, N0, M0 - T2 is not included in the stage group definition * Stage Group III - T3, N0, M0 - T3 is not included in the stage group definition * Stage Group IV - T4b, NX, M0 - NX is not included in the stage group definition

Default

99

NAACCR Item

NAACCR #970

Metadata

None
Stage Stage Display T N M
0A 0a Ta N0,X M0
0IS 0is Tis N0,X M0
1 I T1 N0 M0
2 II T2 N0 M0
3 III T3
T4a
N0
N0
M0
M0
4 IV T4b
T0,1,2,3,4,4a,4b,X
T0,1,2,3,4,4a,4b,X
N0,X
N1-3
Any N
M0
M0
M1
99 Unknown T0,1,2,3,4,4a,X
T4,X
NX
N0
M0
M0
88 Not Applicable 88 88 88