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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 
   
  
    1112 
    1 
    SEER 
    2016 
    16 
     
     
   
NAACCR XML: Tumor.metsAtDxBone
Description
This field identifies whether bone is an involved metastatic site. The six Mets at Dx-Metastatic Sites fields provide information on specific metastatic sites for data analysis.
Rationale
Information on site of metastatic disease at diagnosis has prognostic implications to survival among patients with initial late stage disease. Capturing data on where the patient’s metastatic lesions (including the number of locations) will be an important variable to include when looking at survival. Survival among metastatic patients is becoming increasingly important for cancer survivors.
Codes
        0 None; no bone metastases  
        1 Yes; distant bone metastases  
        8 Not applicable  
        9 Unknown whether bone is an involved metastatic site. Not documented in patient record.  
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