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← Cancer of Unknown Primary (CUP)

FOR PATIENTS · SOURCE READING

Isolated Axillary Lymph Node Metastasis

Source: Carcinoma of Unknown Primary Treatment (PDQ®)–Patient Version, National Cancer Institute.

Source updated: December 17, 2021 · Captured 2026-09-09.

Selected source text with whitespace normalised. This Triangle page is not an NCI PDQ summary. Independent clinical review is pending.

Context: Treatment of Newly Diagnosed Carcinoma of Unknown Primary

For information about the treatments listed below, see the Treatment Option Overview section.

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Cancer found only in the axillary (armpit) lymph nodes may have spread from a tumor in the breast.

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Treatment of axillary lymph node metastasis is usually:

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Surgery to remove the lymph nodes.

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Treatment also may include one or more of the following:

Surgery to remove the breast.

Radiation therapy to the breast.

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Chemotherapy.

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A clinical trial of new types of treatment.

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Preserved source evidence · Independent clinical review pending · Not medical advice