What are Lymph Nodes? - American Cancer Society
https://www.cancer.org/cancer/diagnosis-staging/lymph-nodes-and-cancer.html
WEBWhen there’s a problem, such as infection, injury, or cancer, lymph nodes in that area may swell or enlarge as they work to filter out the “bad” cells. Swollen lymph nodes (lymphadenopathy) tell you that something is not right, but other symptoms help pinpoint the problem. For instance, ear pain, fever, and enlarged lymph nodes near your ...
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