Definition

• Increased size of a lymph node in the neck, armpit or groin
• Usually larger than the corresponding node on the other side of the body
• Normal nodes are usually less than ½ inch (12 mm) across (size of pea or baked bean)

See More Appropriate Topic (instead of this one) If

• Swollen node is in the neck and sore throat is the main symptom, see SORE THROAT.