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How are lymph nodes described in breast cancer pathology reports?

Dede Bonner
Health Education

In the tumor, lymph nodes, metastasis (TNM) staging system, medical experts use the letter N followed by a number from 0 to 3 to indicate whether the cancer has spread to lymph nodes near the breast and, if so, how many lymph nodes are affected.

N0 means no lymph nodes are involved.

N1 means 1–3 nodes are involved.

N2 means 4–9 nodes are involved.

N3 means 10 or more nodes are involved.
The 10 Best Questions for Surviving Breast Cancer: The Script You Need to Take Control of Your Health

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The 10 Best Questions for Surviving Breast Cancer: The Script You Need to Take Control of Your Health

A good mind knows the right answers...but a great mind knows the right questions. And never are the Best Questions more important than after a diagnosis of breast cancer. Drawing on cutting-edge...

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.