Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Retrocardiac opacity is noted which is concerning for a a partially layering right pleural effusion with probable adjacent right basal consolidation . Findings are best seen on the lateral projection . Left chest wall pacer device is again seen with pacer leads extending into the region of the right atrium and right ventricle as on prior . The heart remains mildly enlarged . Bony structures are intact .
    OUTPUT:
    
Retrocardiac opacity concerning for right basal pneumonia with layering right effusion .