It could be anything but most commonly it is a lymph node. This would be right under where your jaw hinges. It may (or may not) feel hard, warm to the touch or painful. If it lasts for more than two...
inside your neck it is a little ball that starts to cause pain and then it goes to the side of your neck and it has this little balls that can cause it to hurt likes someone is hitting you rae...
Cancer, if left untreated that it is the size of a lump then he is already dead unless you have a very good health insurance provider or a lot of money.