Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . There are persistent bibasilar opacities silhouetting the hemidiaphragms compatible with effusions . Cardiomediastinal silhouette is grossly unchanged , although not well assesses given silhouetting inferiorly . Atherosclerotic calcifications noted at the arch . Mild pulmonary vascular indistinctness again noted . No acute osseous abnormalities .
    OUTPUT:
    
Moderate bilateral effusions similar to prior with mild pulmonary vascular congestion .