Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly stable . When compared with ___ study lung volumes have improved along with decreased pulmonary vascular congestion . Small right pleural effusion is unchanged . Bibasilar opacities have improved when compared to the most recent study . No pneumothorax seen .
    OUTPUT:
    
1 . Interval improvement of lung volumes . 2 . Interval decrease in pulmonary vascular congestion and bibasilar opacities .