Hi Welcome to healhcaremagic After going through your query I cancluded that you are worried about swollen lymph nodes in the neck. You are linking these to your old concussion injury. I want to clarify that these are unlikely to be due to old injury. It will be best approach to get these lymph nodes biopsy so that clear diagnosis is achieved. You can discuss with your Doctor about it. Hope your query get answered. If you have any further questions then don t hesitate to writing to us . I will be happy to help you. You can also write to me directly on below link: https://www.bit.ly/askdrsudhirortho Wishing you good health. Take care.