Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs show mild bilateral lower lobe confluent opacities with a new opacity in the right upper lobe . The previously noted effusions have now resolved . The cardiomediastinal silhouette , hilar contours and pleural surfaces are normal .
    OUTPUT:
    
Unchanged bilateral lower lobe opacities that could represent resolving pneumonia with a new focal opacity in the right upper lobe that is nodular in nature and should be re-imaged after adequate treatment to confirm resolution .