question: A lump on the centre of my chest, its about an inch or so long and its fucking solid it seems movable the depending on how I sit or lay down, its under the skin like attached to the bone it seems,. It appeared a few days ago, it’s not itchy or discoloured but its painful as I said  and it seems to be bigger than when I first noticed it I ain’t sure what it is cysts aren’t sore and their squishy this is sore and its not sqwishy