R59.9: Enlarged lymph nodes, unspecified
The lymph nodes are small bean-shaped objects. They are found throughout the body. Lymph nodes filter the tissue fluid. They are part of the defense system.
There are many different reasons for enlarged lymph nodes. Lymph nodes can get larger, for example, when pathogens cause inflammation in the body. However, other diseases can also cause the lymph nodes to become larger. It is also possible that no cause will be found for the enlarged lymph nodes.
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