Assertion: mediastinal lymph node | /r/HasProperty | important
Facets:
Source sentences:
text: The mediastinal lymph nodes that are important in the lymphatic drainage of the lungs can be divided into four distinct but interconnected groups: the anterior (prevascular) lymph nodes in the anterior mediastinal compartment, the tracheobronchial lymph nodes, the paratracheal lymph nodes, and the posterior lymph nodes in the posterior area of the visceral compartment of the mediastinum.