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:** The stage group below is not defined in UICC 7th edition, defined in AJCC 7th edition, approved by UICC. * Stage 0 - pTis, N0, M0, Grade X, Any Histology **Note 3:** While the stage groups below are valid, the specified TNM combinations are only included in SEER*RSA. * Stage Group IIIA - T4 [NOS], N0, M0, Any Grade, Any Histology - T4 [NOS] is not included in the stage group definition * Stage Group IIIC - T4 [NOS], (N1, N2), M0, Any Grade, Any Histology - T4 [NOS] is not included in the stage group definition **Note 4:** Stage groups are based on histology, which is divided as follows * Squamous 8000-8046,8051-8131,8148-8157,8230-8249,8508,8510-8513,8560-8570,8575,8950,8980-8981 * Adenocarcinoma 8050,8140-8147,8160-8162,8170-8175,8180-8221,8250-8507,8514-8551,8571-8574,8576,8940-8941

Default

NAACCR Item

NAACCR #970

Metadata

None

Stage	Stage Display	T	N	M	Grade	Histology	Primary Site
0	0	Tis	N0,X	M0	1,9	Any Histology
1A	IA	T1,1a,1b T1,1a,1b	N0 N0	M0 M0	1,9 2	Any Histology Adenocarcinoma
1B	IB	T1,1a,1b T1,1a,1b T2 T2,3	N0 N0 N0 N0	M0 M0 M0 M0	2 3,4 1,2,9 1,9	Squamous Any Histology Adenocarcinoma Squamous	Any Site Any Site Any Site C152,C155,C158,C159
2A	IIA	T2 T2,3 T2,3	N0 N0 N0	M0 M0 M0	3,4 1,9 2-4	Adenocarcinoma Squamous Squamous	Any Site C150,C151,C153,C154 C152,C155,C158,C159
2B	IIB	T3 T2,3 T1,1a,1b,2	N0 N0 N1	M0 M0 M0	Any Grade 2-4 Any Grade	Adenocarcinoma Squamous Any Histology	Any Site C150,C151,C153,C154 Any Site
3	III	T0,X T4,4a	N2 NX	M0 M0	Any Grade Any Grade	Any Histology Any Histology
3A	IIIA	T1,1a,1b,2 T3 T4,4a	N2 N1 N0	M0 M0 M0	Any Grade Any Grade Any Grade	Any Histology Any Histology Any Histology
3B	IIIB	T3	N2	M0	Any Grade	Any Histology
3C	IIIC	T4,4a T4b T0,1,1a,1b,2,3,4,4a,4b,X	N1,2 Any N N3	M0 M0 M0	Any Grade Any Grade Any Grade	Any Histology Any Histology Any Histology
4	IV	T0,1,1a,1b,2,3,4,4a,4b,X	Any N	M1	Any Grade	Any Histology
99	Unknown	T0 T1,1a,1b,2,3 TX	N1,X NX N0,1,X	M0 M0 M0	Any Grade Any Grade Any Grade	Any Histology Any Histology Any Histology
88	Not Applicable	88	88	88	Any Grade	Any Histology