The lymphatic system is a major part of the immune system. It’s made up of various lymph nodes and vessels. The human body has hundreds of lymph nodes throughout different locations in the body. The ...

A lump on the neck may be a swollen lymph node from a bacterial or viral infection. Swollen lymph nodes can be painful, warm, and red. An unusual lump may need to be checked by a doctor to find out ...

Usually, swollen chest lymph nodes are too deep in the chest for a person to feel them. Any swollen lymph nodes in the chest appear on imaging scans. Swelling can indicate an underlying condition.

BOSTON - Swollen lymph nodes can be a normal and expected side effect after receiving the COVID-19 vaccine, doctors say — and many are working to spread the word in an effort to ease patients’ fears ...

Swollen lymph nodes can be a symptom of mpox, formerly known as monkeypox. However, many other infections also cause swollen lymph nodes. A person with mpox may also have a rash and other flu-like ...

Allergies occur when your immune system overreacts to allergens like pet dander, pollen, mold, certain foods, or medications. Allergy symptoms may include a runny nose, congestion, coughing, wheezing, ...

Some people who recently got a booster dose of COVID-19 vaccine are noticing swollen lymph nodes. Don’t panic, doctors say. Swollen lymph nodes caused by vaccination are temporary, harmless and a sign ...

New research shows lymph nodes aren’t just cancer bystanders, they’re the command centers fueling immune attacks. Surgically removing them along with tumors may weaken treatment, while preserving them ...