Mediastinal lymphadenopathy predominates in the anterior mediastinum and the paratracheal regions. When lymphadenopathy involves the hilar regions, it is usually asymmetric. Primary tuberculosis ...

Lymph nodes are clustered throughout the body in key locations. These include the armpits, neck, groin, upper abdomen, and mediastinum (the area between the lungs that contains all the principal ...

Although not common, paratracheal, subcarinal, aortopulmonary window, and other mediastinal lymph node groups can be involved in the absence of hilar lymphadenopathy. The radiographic appearance ...