How can enlarged lymph node removal for microscopic exam aid in diagnosing certain disease?

Question by superlady: How can enlarged lymph node removal for microscopic exam aid in diagnosing certain disease?
Can someone please give me the scientific explanation for this question? I know that lymph nodes "take out" cancer cell from the body, so would an enlarged lymph node be examined for abnormal cells? How exactly would disease be detected in a lymph node? Thanks


Best answer:
Answer by Lab GuyLymph nodes are the primary site of origin for many lymphomas, secondary invasion

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