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Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired Column #
2854 1 AJCC 2010 12 1315 - 1315

NAACCR XML: Tumor.csMetsAtDxLung

Description
Identifies the presence of distant metastatic involvement of the lung at time of diagnosis.
Rationale
The presence of metastatic lung disease at diagnosis is an independent prognostic indicator, and it is used by Collaborative Staging to derive TNM-M codes and SEER Summary Stage codes for some sites.
Codes (See the most current version of the Collaborative Stage Data Collection System (http://cancerstaging.org),13 for rules and site-specific codes and coding structures.)
Note: This includes only the lung, not pleura or pleural fluid.




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