Colon (excluding Appendix, Gastrointestinal Stromal Tumor, and Neuroendocrine Tumor)

Primary Site Histology Staging Type
C180, C182-C189 8000-8152, 8154-8231, 8243-8245, 8247-8248, 8250-8576, 8940-8950, 8980-8981 TNM 7 and Summary Stage
C180, C182-C189 8577-8934, 8951-8979, 8982-9136, 9141-9582, 9700-9701 Summary Stage only

If you are working with a site/histology that only summary stages and you need to directly code it, please use the SEER Summary Stage 2000 manual

Notes

C180 Cecum
C182 Ascending colon
C183 Hepatic flexure of colon
C184 Transverse colon
C185 Splenic flexure of colon
C186 Descending colon
C187 Sigmoid colon
C188 Overlapping lesion of colon
C189 Colon, NOS

Note 1: This schema is based on the UICC chapter Colon and Rectum, pages 100-105.

  • Primary sites C188 and C189 are listed in the chapter heading but are not specified in the anatomic subsites in this chapter of the UICC manual; however, they are included in this schema and TNM staged if appropriate histology criteria are met

Note 2: In addition to directly assigning TNM, Summary Stage 2000 (SS2000) must be captured. If directly assigning SS2000, use the Colon chapter on page 94 of the SS2000 on-line manual.

Main Data Items

Name Default Value Used for Staging NAACCR Item Required By Metadata
Clinical T <BLANK> Yes NAACCR #940 None
Clinical N <BLANK> Yes NAACCR #950 None
Clinical M <BLANK> Yes NAACCR #960 None
TNM Clin Stage Group 99 Yes NAACCR #970 None
Pathologic T <BLANK> Yes NAACCR #880 None
Pathologic N <BLANK> Yes NAACCR #890 None
Pathologic M <BLANK> Yes NAACCR #900 None
TNM Path Stage Group 99 Yes NAACCR #910 None
SSF1: Carcinoembryonic Antigen (CEA) 999 No NAACCR #2880 CCCR/Canada
COC
SEER
None
SSF3: Carcinoembryonic Antigen (CEA) Lab Value 988 No NAACCR #2900 CCCR/Canada
COC
None
SSF4: Tumor Deposits 999 No NAACCR #2910 CCCR/Canada
COC
SEER
None
SSF5: Tumor Regression Grade 988 No NAACCR #2920 None None
SSF6: Circumferential Resection Margin (CRM) 999 No NAACCR #2930 CCCR/Canada
COC
SEER
None
SSF7: Microsatellite Instability (MSI) 988 No NAACCR #2861 None None
SSF8: Perineural Invasion 999 No NAACCR #2862 CCCR/Canada
COC
SEER
None
SSF9: KRAS 999 No NAACCR #2863 CCCR/Canada
COC
SEER
None
SSF10: 18q Loss of Heterozygosity (LOH) 988 No NAACCR #2864 None None

Additional Data Items

Name Default Value Used for Staging NAACCR Item Required By Metadata
Year of Diagnosis <BLANK> No NAACCR #390 None
Primary Site <BLANK> Yes NAACCR #400 None
Histology <BLANK> Yes NAACCR #522 None
RX Summ Systemic/Surgery Sequence <BLANK> Yes NAACCR #1639 None
RX Summ Surgery/Radiation Sequence <BLANK> Yes NAACCR #1380 None
Regional Nodes Positive <BLANK> Yes NAACCR #820 None