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Multiple Choice

Which of the following is listed as a site breast cancer metastasizes from?

Breast cancer most often spreads first through the lymphatic system to nearby axillary lymph nodes. This regional lymphatic spread is a common early step in metastasis and is important for staging and prognosis, which is why lymph nodes are considered a site from which breast cancer metastasizes. Distant organs like the liver, lungs, and brain are common sites of later metastasis when the disease has progressed and spread hematogenously, but they represent destinations rather than the initial metastatic source.

Breast cancer most often spreads first through the lymphatic system to nearby axillary lymph nodes. This regional lymphatic spread is a common early step in metastasis and is important for staging and prognosis, which is why lymph nodes are considered a site from which breast cancer metastasizes. Distant organs like the liver, lungs, and brain are common sites of later metastasis when the disease has progressed and spread hematogenously, but they represent destinations rather than the initial metastatic source.