Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right upper lung opacity has decreased in size and density . There is increased pulmonary venous congestion . No pleural effusion . Bilateral lower lobe atelectasis has increased slightly . No new consolidation . The cardiomediastinal silhouette is unchanged . No pneumothorax .
    OUTPUT:
    
Improved right upper lobe opacity .