Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes persist although the degree of interstitial edema is improved since the prior study . Calcified lymphnodes are present along the left hilus , as before . Moderate cardiomegaly is unchanged . Stable small bilateral pleural effusions and bibasilar atelctasis .
    OUTPUT:
    
Improved interstitial edema . Stable small bilateral pleural effusions and bibasilar atelectasis .