A pea-sized lump in your neck is usually a swollen lymph node. It’s often a sign you’re fighting an infection or a result of an insect bite or sting. The appearance of a pea-sized lump in your neck ...

Lymph nodes are small but mighty parts of your immune system, filtering harmful substances and fighting infections. Swelling can be a sign of anything from a simple cold to serious conditions like ...

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 ...

Mediastinal lymphadenopathy is the medical term for swollen lymph nodes in the chest. They are too deep to feel, so imaging scans usually reveal them. Swollen chest lymph nodes can signal lung cancer, ...

There are several reasons you might have a moveable lump in the neck. Swollen lymph nodes are often the reason. But this lump can also be a serious condition, so visiting a doctor is important. A lump ...

By Andrew Ellsworth, MD When was the last time you thought about your neck? It’s easy to overlook, but your neck is a remarkably ...

Treatment for mycobacterium avium complex (MAC) depends on where the infection is. Your doctor will also consider how serious your symptoms are and other medical conditions you may have. Here’s what ...

Those who were previously infected with COVID-19 were more likely to experience swollen lymph nodes after their first dose of Pfizer’s vaccine compared to those without a prior documented infection, ...

The immune system is a complex response of various cells that detect and elicit mechanisms to eliminate disease. This ...