Other types of cancer may start in another area of the body and spread to the lymph nodes through the lymph fluid or blood.

Sometimes, the area around the lymph node also swells. The body contains hundreds of lymph nodes, and they swell most often in the neck and around the face, along the groin, and under the arms.

Discover how allergies can cause swollen lymph nodes, and learn to distinguish between normal immune responses and warning signs that require medical attention.

It can occur as a result of an injury that causes an area of broken skin. Cellulitis may cause nearby lymph nodes to swell. For example, an infection in the arm may cause the lymph nodes in the ...