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Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired
1116 1 SEER 2016 16

NAACCR XML: Tumor.metsAtDxLung

Description
This field identifies whether lung 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
0None; no lung metastases
1Yes; distant lung metastases
8Not applicable
9Unknown whether lung is involved metastatic site. Not documented in patient record.




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