Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . The cardiomediastinal silhouettes are stable . Aortic arch calcifications are again noted . The bilateral hila are within normal limits . There is bibasilar atelectasis . Pulmonary vascular congestion and mild pulmonary interstitial edema is not appreciably changed since earlier same - day radiograph . There is no new focal consolidation . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Stable chest radiograph reflective of pulmonary vascular congestion and mild pulmonary interstitial edema . No pneumothorax .