Yes, as AS mentioned, we have hundreds of lymph nodes throughout our bodies.
Often a local injury/infection will cause the gland to swell, as it is doing it's job of fighting off whatever is threatening the system.
If you are worried about it enough, you can see your doctor...but likely you'll be told to just watch and wait, as these things usually disappear on their own within a few weeks.
The other possibility is that you could have a benign subdermal cycst. Again, these sometimes go away on their own, or can be removed by a dermatologist with an in office procedure.
I hope you find the answers and relief you need soon. Give us an update when you can.
"Courage is not the abscence of fear, it is feeling afraid and doing it anyway!"
"Worrying does not empty tomorrow of its troubles...it empties today of its strength."
Corrie Ten Boom
Panic Syndrome recovery due to CBT