Bump behind my left ear?

Hello, so for years i have had a an enlarged bump or lift skin behind my left ear. It hasn’t seem or felt like it has gotten any bigger than it has. I told my parents about it when i first found it and they told me not to worry about it, but the other day i got my haircut by my mom and she noticed it behind my ear.... show more Hello, so for years i have had a an enlarged bump or lift skin behind my left ear. It hasn’t seem or felt like it has gotten any bigger than it has. I told my parents about it when i first found it and they told me not to worry about it, but the other day i got my haircut by my mom and she noticed it behind my ear. Now they are making me go to the doctors to get it checked out. Since i have had this for years, so you think anything serious is wrong with me?
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