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 **Note 2:** TNM does not include an in situ category for this schema. Assign 88 to stage group for in situ cases.

Default

NAACCR Item

NAACCR #970

Metadata

None

Stage	Stage Display	T	N	M	Mitotic Rate	Location (SSF10)
1	I	T1,2	N0,X	M0	000-050,988,990	010,030,040,998,999
1A	IA	T1,2	N0,X	M0	000-050,988,990	020
1B	IB	T3	N0,X	M0	000-050,988,990	020
2	II	T3 T4 T1,2	N0,X N0,X N0,X	M0 M0 M0	000-050,988,990 000-050,988,990 051-110,991	010,030,040,998,999 020 020
3	III	T4	N0,X	M0	996,998,999	010,030,040,998,999
3A	IIIA	T4 T1 T3	N0,X N0,X N0,X	M0 M0 M0	000-050,988,990 051-110,991 051-110,991	010,030,040,998,999 010,030,040,998,999 020
3B	IIIB	T2-4 T4	N0,X N0,X	M0 M0	051-110,991 051-110,991	010,030,040,998,999 020
4	IV	Any T Any T	N1 Any N	M0 M1	Any Rate Any Rate	Any Any
99	Unknown	T1-3 T4 TX	N0,X N0,X N0,X	M0 M0 M0	996,998,999 996,998,999 Any Rate	Any 020 Any
88	Not Applicable	88	88	88	Any Rate	Any