“Swollen Lymph Nodes for 7 years. Lymphoma?”

Hello! I am 16 years old and I have had these several lumps or (swollen lymph nodes) for about 7-8- years now maybe longer. I have had many regular blood tests done over the years and they have all came out normal. These lumps are not painful, in fact, I tend to play with them a lot. I am a little tired, but not even nearly as much or as bad as actual lymphoma patients have said, not close. I do have bad sleeping patterns concerning I am a teen who is on my phone late at night. Anyway I was wondering if these swollen lymphs or lumps are even anything to be concerned about or possibly lymphoma, based on what I have given you.