All that commotion in response to a threat is what shows up as swelling. That can look different depending on the person, but generally, a lymph node bigger than one centimetre across is considered ...

A swollen lymph node can be a bit like your body’s version of a red flag: When one of these bean-shaped clusters of immune ...

Usually, you don’t need to see a healthcare provider about swollen lymph nodes. However, you should see a healthcare provider ...