Can you move the lump around or is it frozen?
The more you poke the more you are going to freak your self out and you will make it sore and bruised and if may swell a little which is going to scare you even more.
The doctor says it seems like a cyst which is good.
Once you have the scan you can finally relax a little bit
As much as you worry about bad news I think you have a better chance of having good news x