[Dark_Swan]

I get why you wouldn't wanna tell your doctor can't you make up some excuse so they look at your chest and arm pit area. Say that you had been wearing a bra regularly that's too tight or something. You didn't think of it as bit deal before as the numbness would go away but now it's worrying you.

I am saying this because if they figure out the root problem now then they can give you the appropriate treatment faster.