A member asked:

My 15 yr old son, noticed a smallpea-sized round painless lump that seems to move around and disappears.. he noticed it last week, but told me tonite.

A doctor has provided 1 answer

Most are lymph nodes: Lymph nodes are little serum sifters located throughout the body, and often detected in the soft tissue of the neck and groin. These enlarge and shrink repeatedly over time as they work.Next time give a location and we may be able to be more specific with our answer.

Answered 9/29/2016

3.7k views

Thank

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