Hard lumps arm pit and bone pain same arm

I am new to the site. 
I have been having full arm pain left arm, much worse at night. Because of this I have been feeling around, I have x2 rock hard lumps in my arm pit, x1 Marble size and x1 pea size.

I have a Dr appointment today and scare myself so much keep googling.  

has anybody else had similar and what was the outcome.

thank you x