Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright portable view of the chest was obtained . The patient 's overlying chin obscures the medial bilateral upper lobes . The cardiac silhouette remains enlarged . Prominence of the pulmonary arteries is partially imaged and again seen . Evidence of diaphragmatic / pleural plaques is seen bilaterally suggesting prior asbestos exposure .
    OUTPUT:
    
The patient 's chin overlies the bilateral medial upper lobes , obscuring the view . Given this , the cardiac silhouette is persistently enlarged . There is again prominence of the pulmonary arteries . Pulmonary vascular congestion appears improved .