Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is persistent left basilar opacity with obscuration of the left hemidiaphragm , felt to be secondary to layering pleural effusion . The cardiac silhouette is top - normal in size . There is new blunting of the right costophrenic angle , secondary to a small pleural effusion . No focal consolidations identified . Pulmonary vascular congestion has improved .
    OUTPUT:
    
1 . Stable left - sided pleural effusion . 2 . New small right sided pleural effusion . 3 . Improved pulmonary vascular congestion .