so ive had this enlarged gland in the right side of my neck just below my jaw line for a long time now. a couple years ago i asked a doctor what it was when i was seeing him for a throat sickness which turned out to be mono. he told me it was nothing and probably due to the infection. so time went by and i didnt notice that the swelling had stayed. over time i cant tell if it has gotten any bigger but its definitely bigger than the other side. more recently i thought i had a knot in the back of my head, but further research on google tells me it could be another swollen gland possible a lymphnode. what could this be? i really hope its not cancer i feel like im too young for that,24. but my mother died in 03' from cancer so i hope that doesnt mean im more susceptible to it. please anyone with any medical experience give me some kind of explanation.