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

There is a newer version: 6.0


    
        Item #
        Length
        Source of Standard
        Year Implemented
        Version Implemented
        Year Retired
        Version Retired
    
    
        3040
        1
        AJCC
        2003
        10
        
        
    



NAACCR XML: Tumor.derivedSs1977Flag


Alternate Names

   SS1977 Conversion Flag


Description
Flag to indicate whether the derived SEER Summary Stage 1977 was derived from CS or EOD codes.
Rationale
The Collaborative Stage Data Collection System was designed by a joint task force including representatives from SEER, ACoS, CDC, NAACCR, NCRA, CCCR, CPAC, and AJCC, to provide a single uniform set of codes and rules for coding extent of disease (EOD) and stage information to meet the needs of all of the participating standard setters. When CS data items are coded, a computer algorithm provides the derivation of T, N, M, and stage-based on AJCC Cancer Staging Manual 6th & 7th Editions, SEER Summary Stage 1977, and SEER Summary Stage 2000. There are separate derived CS fields in the NAACCR record based on AJCC 6th Edition for 2004+ cases and AJCC 7th Edition for 2010+ cases.
Codes (See the most current version of the
    Collaborative Stage Data Collection System (https://cancerstaging.org/cstage/Pages/default.aspx),¹³ for rules and site-specific codes and coding structures.)


    
        
            Blank
            Not derived
        
        
            1
            SS1977 derived from Collaborative Stage
        
        
            2
            SS1977 derived from EOD (prior to 2004)

Blank	Not derived
1	SS1977 derived from Collaborative Stage
2	SS1977 derived from EOD (prior to 2004)