0 |
No regional lymph nodes removed. No lymph nodes found in the pathologic specimen. Diagnosed at autopsy. |
1 |
Biopsy or aspiration of regional lymph node, NOS. |
2 |
Sentinel lymph node biopsy. |
3 |
Regional lymph node(s) removed and the number of nodes removed is unknown or not stated; the procedure is not specified as sentinel node biopsy. Regional lymph nodes removed, NOS. |
4 |
1 to 3 regional lymph nodes removed. |
5 |
4 or more regional lymph nodes removed. |
6 |
Sentinel node biopsy and code 3, 4, or 5 at same time or timing not stated. |
7 |
Sentinel node biopsy and code 3, 4, or 5 at different times. |
9 |
Unknown or not applicable. It is unknown whether regional lymph node surgery was performed. Death certificate only case; unknown or ill-defined primary site; hematopoietic, reticuloendothelial, ummunoproliferative or myeloproliferative disease. |
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