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How to diagnose castleman disease
Check for lumps on your body.
The localized form of castleman disease (cd) may appear as a lymph node or nodes that are swollen or enlarged. Check at the back of your neck, under your collarbone, by your groin, and in your underarm area for lumps.
You can also develop lumps on your chest or abdominal area as a result of cd. If you notice any lumps in these areas, go see your doctor for a diagnosis.