Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Previously seen right upper lobe opacity has been resolved . Lungs are clear except for linear bibasilar atelectasis or scar . Cardiac silhouette is upper limits of normal in size . Small hiatal hernia is noted . Chronic right lung base pleural thickening is again noted .
    OUTPUT:
    
Interval resolution of right upper lobe opacity consistent with resolved pneumonia .