In TNM staging of tumors, "N" refers to the spread of the tumor to regional lymph nodes (both hilar and mediastinal).
In TNM staging, "N" signifies the extent of tumor spread to regional lymph nodes, including hilar and mediastinal nodes.
| Front | In TNM staging of tumors, "N" refers to ___. |
|---|---|
| Back | the spread of the tumor to regional lymph nodes (both hilar and mediastinal) |
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