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:** The following stage groups are defined in UICC, but not AJCC * Stage Group II (as defined in this table) * Stage Group III (as defined in this table) **Note 3:** While the stage groups below are valid, the specified TNM combinations are only included in SEER*RSA. * Stage Group IIIA - T0, (N1 [NOS], N1a, N1b, N1c, N2a), M0 - T0 is not included in the stage group definition * Stage Group IIIB - T0, N2b, M0 - T0 is not included in the stage group definition * Stage Group IIIB - T2, N2, M0 - N2 is not included in the stage group definition * Stage Group IIIB - T4 [NOS], (N1 [NOS], N1a-N1c), M0 - T4 not included in the stage group definition * Stage Group IIIC - (T4 [NOS], T4a), N2, M0 - N2 is not included in the stage group definition * Stage Group IIIC - T4 [NOS], (N2a, N2b), M0 - T4 not included in the stage group definitionDefault
99NAACCR Item
NAACCR #970Metadata
None| Stage | Stage Display | T | N | M |
|---|---|---|---|---|
| 0 | 0 | Tis | N0,X | M0 |
| 1 | I | T1,2 | N0 | M0 |
| 2 | II | T4 | N0 | M0 |
| 2A | IIA | T3 | N0 | M0 |
| 2B | IIB | T4a | N0 | M0 |
| 2C | IIC | T4b | N0 | M0 |
| 3 | III | T0,1,3 TX |
N2 N1,1a-1c,2,2a,2b |
M0 M0 |
| 3A | IIIA | T0-2 T0,1 |
N1,1a-1c N2a |
M0 M0 |
| 3B | IIIB | T3,4,4a T2 T2,3 T0-2 |
N1,1a-1c N2 N2a N2b |
M0 M0 M0 M0 |
| 3C | IIIC | T4,4a T3,4,4a T4b |
N2,2a N2b N1,1a-1c,2,2a,2b |
M0 M0 M0 |
| 4 | IV | T0-3,4,4a,4b,X | Any N | M1 |
| 4A | IVA | T0-3,4,4a,4b,X | Any N | M1a |
| 4B | IVB | T0-3,4,4a,4b,X | Any N | M1b |
| 99 | Unknown | T0-3,4,4a,4b TX |
NX N0,X |
M0 M0 |
| 88 | Not Applicable | 88 | 88 | 88 |