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 I - as defined in this table * Stage Group II - as defined in this table **Note 2:** The TNM combinations are valid in AJCC 7th, but not UICC 7th, approved by UICC. * Stage IA - (T1a, T1b), N0, M0, Grade (988, 998, 999) * Stage IB - (T2a, T2b), N0, M0, Grade (988, 998, 999) **Note 3:** While the stage groups below are valid, the specified TNM combinations are only included in SEER*RSA. * Stage Group IA - T1, N0, M0, Grade (010, 100, 988, 998, 999) - T1 is not included in the stage group definition * Stage Group IB - T2, N0, M0, Grade (010, 100, 988, 998, 999) - T2 is not included in the stage group definition * Stage Group IIA - T1, N0, M0, Grade (020, 030, 200) - T1 is not included in the stage group definition * Stage Group IIB - T2, N0, M0, Grade (020) - T2 is not included in the stage group definition * Stage Group III - T2, N0, M0, Grade (030, 200) - T2 is not included in the stage group definition

Default

NAACCR Item

NAACCR #910

Metadata

None

Stage	Stage Display	T	N	M	Grade (SSF1)
1	I	TX	N0	M0	010,100,988,998,999
1A	IA	T1,1a,1b	N0	M0	010,100,988,998,999
1B	IB	T2,2a,2b	N0	M0	010,100,988,998,999
2	II	TX	N0	M0	020
2A	IIA	T1,1a,1b	N0	M0	020,030,200
2B	IIB	T2,2a,2b	N0	M0	020
3	III	T2,2a,2b Any T	N0 N1	M0 M0	030,200 Any
4	IV	Any T	Any N	M1	Any
99	Unknown	T0 Any T TX	N0 NX N0	M0 M0 M0	Any Any 030,200
88	Not Applicable	88	88	88	Any