Medically reviewed by John Carew, MD Key Takeaways A neck lump might be a swollen lymph node caused by an infection.Unusual ...

Swollen lymph nodes in your neck often mean that your body is fighting an infection. See a doctor if you have painful, swollen lymph nodes or if they persist for weeks or worsen. You can treat swollen ...

Cancer that starts in the lymph nodes is lymphoma. Cancer may also spread from other areas of the body to various lymph nodes, including the neck. Swollen lymph nodes are usually due to a cause other ...