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:** While the stage groups below are valid, the specified TNM combinations are only included in SEER*RSA. * Stage Group IVA - T4, N0, M0 - T4 is not included in the stage group definition * Stage Group IVA - T4, N1, M0 - T4 is not included in the stage group definition * Stage Group IVA - T4a, NX, M0 - NX is not included in the stage group definition **Note 3:** TNM does not include an in situ category for this schema. Assign 88 to stage group for in situ cases.

Default

99

NAACCR Item

NAACCR #970

Metadata

None
Stage Stage Display T N M
3 III T3 N0 M0
4 IV T4 NX M0
4A IVA T4
T4a
T3,4,4a
N0
N0,X
N1
M0
M0
M0
4B IVB T4b Any N M0
4C IVC Any T Any N M1
99 Unknown T0
T3
TX
N1,X
NX
Any N
M0
M0
M0
88 Not Applicable 88 88 88