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Framework that allows defining file formats (layouts) and use them to read and write data files.

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        Alternate Name
        Item #
        Length
        Source of Standard
        Implemented Year
        Implemented Version
        Retired Year
        Retired Version
        Column #
    
    
        Lymph Nodes (pre 96-SEER/CoC)
Lymph Nodes (SEER EOD) (96 CoC)

        810
        1
        SEER
        
        
        
        
        913 - 913
    


Description
Part of the 10-digit EOD [779]. Detailed site-specific codes for anatomic EOD used by SEER for tumors diagnosed from January 1, 1988, through December 31, 2003.

Codes were revised effective January 1, 1998, to reflect changes in the
    AJCC Cancer Staging Manual, Fifth Edition.

Rationale
Site-specific EOD codes provide extensive detail describing disease extent. The EOD codes can be grouped into different stage categories for analysis (e.g., historical summary stage categories consistent with those used in published SEER data since 1973, or more recently, AJCC stage groupings). The codes are updated as needed, but updates are usually backward compatible with old categories. See


    Comparative Staging Guide for Cancer.

Codes (See
    SEER Extent of Disease, 1988: Codes and Coding Instructions, Third Edition⁸ for site-specific codes and coding rules for all EOD fields.)