The chest radiographs show clear lungs without evidence of focal consolidation, pleural effusions, or pneumothorax. Mild flattening of the hemidiaphragms may suggest underlying chronic obstructive pulmonary disease (COPD). There is a convex opacity in the right paratracheal region, which could represent vascular ectasia, goiter, or lymphadenopathy.
Hilar lymphadenopathy (Uncertain)