Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Re-identified is a left chest cardiac device with associated dual leads projecting over the ventricles , unchanged . EKG leads overlie the chest . Lung volumes remain low . The cardiomediastinal silhouette is stable , likely accentuated due to technique and low lung volumes . The hila are within normal limits . Bibasilar opacities are increased from prior , consistent with atelectasis . There is no sizable pleural effusion . No pneumothorax .
    OUTPUT:
    
Low lung volumes and bibasilar atelectasis . Resolution of left pleural effusion . No pneumothorax .