Which among the following are a cause of posterior mediastinal opacity on Posterior-Anterior (PA) and lateral view of chest radiograph?
Amongst the given options Bochdalek hernia is the posterior mediastinal mass.
Tortuous innominate artery and enlarged pulmonary artery (e.g. aneurysm) are middle mediastinal mass, and thymoma is anterior mediastinal mass.
Tortuous innominate artery
Bochdalek's Hernia
Enlarged pulmonary artery
Thymoma