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 III (as defined in the table) **Note 2:** 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 #910

Metadata

None
Stage Stage Display T N M
1 I T1a N0 M0
2A IIA T1b-1d,2a N0 M0
2B IIB T2b,3a N0 M0
3 III T4 N0 M0
3A IIIA T2c,2d
T3b,3c
T4a
N0
N0
N0
M0
M0
M0
3B IIIB T3d
T4b,4c
N0
N0
M0
M0
3C IIIC T4d,4e N0 M0
4 IV Any T
Any T
N1
Any N
M0
M1,1a-1c
99 Unknown T0,1-3,X
Any T
N0
NX
M0
M0
88 Not Applicable 88 88 88