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

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    Item #
    Length
    Source of Standard
    Year Implemented
    Version Implemented
    Year Retired
    Version Retired
  
  
    446
    2
    SEER
    2006
    11
    
    
  



NAACCR XML: Tumor.multiplicityCounter



Description

This data item is used to count the number of tumors (multiplicity) that are reported as a single primary, when present at the time of diagnosis or occurring later.



Rationale

Patients with multiple tumors reported as a single primary for surveillance purposes may have a worse prognosis or more extensive treatment than patients with a single tumor. This data item will make it possible to identify important information about these cases for data analysis.





Codes

        00 No primary tumor identified
        01 One tumor only
        02 Two tumors present; bilateral ovaries involved with cystic carcinoma
        03 Three tumors present
        ..
        ..
        88 Information on multiple tumors not collected/not applicable for this site
        89 Multicentric, multifocal, number unknown
        99 Unknown if multiple tumors; not documented
        Blank Information not collected for this diagnosis date (e.g., all cases diagnosed prior to 2007)



Note: Codes 00 and 89 were added effective for 2011.

00	No primary tumor identified
01	One tumor only
02	Two tumors present; bilateral ovaries involved with cystic carcinoma
03	Three tumors present
..
..
88	Information on multiple tumors not collected/not applicable for this site
89	Multicentric, multifocal, number unknown
99	Unknown if multiple tumors; not documented
Blank	Information not collected for this diagnosis date (e.g., all cases diagnosed prior to 2007)