Cause of posterior mediastinal opacity on PA and lateral view of chest x- ray: (A) Bochdalek's hernia, (B) Lymph node mass, (C) Tortuous innominate artery, (D) Aneurysms
Answer is A. Anterior mediastinum - Thymona
Muddle mediastinum - Tortuous innominte artery
Posterior mediastinum - Bochadalek's hernia