In the TNM staging system, which component represents involvement of regional lymph nodes?

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Multiple Choice

In the TNM staging system, which component represents involvement of regional lymph nodes?

Explanation:
Regional lymph node involvement is represented by the N component of TNM. The T category describes the size and extent of the primary tumor, while M indicates distant metastasis. The N category specifically tells you whether nearby regional lymph nodes are involved and how extensive that involvement is (for example, N0 means no regional nodal metastasis, with higher numbers indicating more nodal involvement). L is not part of the TNM system.

Regional lymph node involvement is represented by the N component of TNM. The T category describes the size and extent of the primary tumor, while M indicates distant metastasis. The N category specifically tells you whether nearby regional lymph nodes are involved and how extensive that involvement is (for example, N0 means no regional nodal metastasis, with higher numbers indicating more nodal involvement). L is not part of the TNM system.

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