Are you sure?
Did you ever see a doctor about this cyst? Depending on what/where/how big it is, it may or may not be something to get concerned about.
If a doctor told you it was a cyst, there are procedures to remove it, but otherwise the cyst is harmless. However, it could indicate other more serious things - hernia
, sexually-transmitted infection, etc, that will need treatment.
Answer assisted by Allison Greco, Medical Student