Data Element

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AJCC M Category
For both Clinical (cM) and Pathological (pM) the M Category is defined as the absence or presence of distant metastases in sites and/or organs outside the local tumor area and regional nodes as defined for each cancer site. For some cancer sites, the location and volume or burden of distant metastases are included. Distant Metastasis (M) Categories: The distant metastasis category specifies whether distant metastasis is present. M0 No evidence of distant metastasis M1 Distant metastasis


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