Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are again noted . There is left basilar opacity silhouetting the hemidiaphragm , similar to prior . There is likely component of effusion although underlying consolidation is also possible . New right basilar opacity is also noted , some of which may be due to atelectasis . Blunting of the posterior costophrenic angle suggests bilateral effusions . Pulmonary vascular congestion appears to have progressed . Cardiomediastinal silhouette is stable .
    OUTPUT:
    
Bibasilar opacities left worse than right have progressed since prior likely in part due to underlying effusions with superimposed atelectasis noting that infection would also be possible . Interval worsening of the pulmonary vascular congestion .