Where are large clusters of lymph nodes found?

* Cervical lymph nodes are found on the sides of the neck.

* Axillary lymph nodes are found in the armpits.

* Inguinal lymph nodes are found in the groin area.

* Mediastinal lymph nodes are found in the chest.

* Retroperitoneal lymph nodes are found in the abdomen.

* Mesenteric lymph nodes are found in the intestines.