Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal radiograph of the chest demonstrate normal heart size and mediastinal contours . Compared to the prior chest radiograph , there is improvement in the right basilar opacification . No pleural effusion or pneumothorax . No new focal opacification .
    OUTPUT:
    
Improvement in right lower lobe opacification with no new focal opacity .