Most are painless, but if they become infected ... However, in some cases, it can be painful to the touch. Can a lump on the back of the neck be cancer? In rare cases, a lump on the neck can ...

A man who flippantly asked his GP to check out a painless lump under his jaw ... could you have a look at this small lump on the underside of my jaw'. It didn’t hurt, but it was becoming visible ...