Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , somewhat accentuating pulmonary vascular markings . Bibasilar opacities present in the prior radiograph are still apparent , although substantially less so . The upper lungs appear clear . Cardiomediastinal silhouette and hilar contours appear normal .
    OUTPUT:
    
Resolving opacities in the lower lung .