This medical exhibit shows the lymph nodes of the posterior thoracic and abdominal walls. Llymph nodes include the cervical lymph nodes, axillary lymph nodes, deep axillary lymph nodes, posterior mediastinal lymph nodes, medial common iliac lymph nodes, common iliac lymph nodes, iliac lymph nodes and lateral aortic lymph nodes. Other structures include the thoracic duct and the aorta.rn