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

99

NAACCR Item

NAACCR #970

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
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
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
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
T0,1,1a,1b,2,3
T4,4a
TX
TX
N1
NX
NX
N0,1,X
N2
M0
M0
M0
M0
M0
Any Grade
Any Grade
Any Grade
Any Grade
Any Grade
Squamous
Any Histology
Adenocarcinoma
Any Histology
Adenocarcinoma
88 Not Applicable 88 88 88 Any Grade Any Histology