This medical exhibit shows the lymph nodes of the thoracic region. Labeled lymph nodes include the deep jugular lymph nodes, deep cervical lymph nodes, anterior mediastinal lymph nodes, pretracheal lymph nodes, bronchiopulmonary lymph nodes, pulmonary lymph nodes and deep pulmonary lymph nodes. Other label structures include the right subclavian artery and vein, right primary bronchus, esophagus, trachea, thoracic duct, aortic arch and aorta.