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 IIA (as defined in the table) * Stage Group IIB (as defined in the table) * Stage Group III (as defined in the table) **Note 2:** While the stage group below is valid, the specified TNM combination is only included in SEER*RSA. * Stage Group IIIC - T0, N1, M0 - T0 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
99NAACCR Item
NAACCR #910Metadata
None| Stage | Stage Display | T | N | M |
|---|---|---|---|---|
| 1 | I | T1 | N0 | M0 |
| 1A | IA | T1a | N0 | M0 |
| 1B | IB | T1b | N0 | M0 |
| 2 | II | T2 | N0 | M0 |
| 2A | IIA | T2a | N0 | M0 |
| 2B | IIB | T2b | N0 | M0 |
| 3 | III | T3 T3,3a,3b |
N0 NX |
M0 M0 |
| 3A | IIIA | T3a | N0 | M0 |
| 3B | IIIB | T3b | N0 | M0 |
| 3C | IIIC | T0,1,1a,1b,2,2a,2b,3,3a,3b | N1 | M0 |
| 4A | IVA | T4 | Any N | M0 |
| 4B | IVB | Any T | Any N | M1 |
| 99 | Unknown | T0 T0,1,1a,1b,2,2a,2b TX |
N0 NX Any N |
M0 M0 M0 |
| 88 | Not Applicable | 88 | 88 | 88 |