Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal views of the chest were obtained . Right pleural effusion has increased , now moderate to large in volume , with bilateral lower lung opacities presumed to be atelectasis . Small left pleural effusion is unchanged . No pneumothorax . Heart size and cardiomediastinal contours are stable . Right internal jugular transvenous pacer has been removed . The replaced aortic valve is unchanged in position .
    OUTPUT:
    
Increased right pleural effusion , now moderate to large , with presumed bibasilar atelectasis . No pneumothorax .