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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Cancer. 2014 Dec 1;120(0 0):3793–3806. doi: 10.1002/cncr.29056

TABLE 1.

Colon and Rectal Cancers: Exclusion Criteria for Analysis Cohort, SEER 18, 2004-2010

Exclusion Criteria Stage Trends AJCC 6th & 7th Comparison Site-Specific Factors (SSFs)
Objective 1 Objective 2 Objective 3
In situ cases no no yes
Autopsy or death certificate cases yes yes yes
Histologies for which AJCC 6th or 7th stage is not defined* yes yes yes
Code 988 (not applicable), blank for each SSF no no yes
Year of diagnosis 2004-2010 2010 2010
Final sample size: Colon 191 361 25 577 24 437
Final sample size: Rectum 73 341 10 150 9678
*

American Joint Committee on Cancer (AJCC) 6th or 7th editions derived stage = NA identifies histologies for which stage is undefined for both colon and rectum.

Source: National Cancer Institute's Surveillance, Epidemiology, and End Results (SEER) Program: SEER 18 geographic areas: States of Connecticut, New Mexico, Utah, California (4 areas: San-Francisco, San Jose-Monterey, Los Angeles, Greater California), Hawaii, Iowa, New Jersey, Louisiana, Kentucky, Georgia (3 areas: Atlanta, Rural Georgia, and remainder of the state), Alaska Native Registry, and metropolitan areas of Detroit, Michigan and Seattle (Western Washington), Washington.