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possible armpit cancer lump

I'm a 13 year old girl and I have a one inch diameter lump under my armpit. It's painless and it's gone away and come back for over a year. I haven't told anyone, but I'm really worried that it might be cancer, but I'm only 13. I can move it around but I'm so worried, so can someone please tell me what it is! (Hopefully a good answer!)
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replied March 27th, 2012
Welcome to e health forum.

The possibility of the lump being a cancer, is very unlikely, since you are very young, and the description of the lump indicates it to be a benign lymph node enlargement. It is normal for lymph nodes to be enlarged when ‎you have have a infection or a common cold.
Lymph nodes are part of the lymphatic system, where white blood cells (lymphocytes) mature and ‎undergo clonal multiplication. The lymphocytes are important for fighting the infection and clearing the ‎viruses and bacteria from the body. Hence during any infection it is common for the lymph nodes to ‎increase in size and also become a bit tender (pain on application of pressure). ‎

You can take anti inflammatory medications like Advil or motrin for a few days, which will help in resolution of your symptoms. ‎

In addition, you may also consult your doctor for a prescription of antibiotics to treat any infections that you may be having.

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