Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Cardiomediastinal silhouette and hilar contours are unremarkable . A left - sided dual lead pacer remains in place . There is mild pulmonary vascular congestion without frank interstitial edema . Note is made of bibasilar atelectasis . The upper lung fields are clear . Blunting of the left costophrenic angle is likely secondary to scarring / atelectasis . There is no pneumothorax . There is no evidence of pneumoperitoneum .
    OUTPUT:
    
Mild vascular congestion without frank edema . Bibasilar atelectasis .