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 0 - Tis, NX, M0, Grade 2-4, Adenocarcinoma - NX is not included in the stage group definition * Stage Group IIB - T0, N1, M0, Any Grade, Adenocarcinoma - T0 is not included in the stage group definition * Stage Group IIIA - T0, N2, M0, Any Grade, Adenocarcinoma - T0 is not included in the stage group definition * 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 #910

Metadata

None

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