Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The chest cage is distorted by moderate S - shaped scoliosis of the imaged thoracolumbar spine . There is mild pulmonary vascular congestion and edema , increased from the most recent prior study . Retrocardiac opacification is unchanged , likely reflecting atelectasis in the setting of low lung volumes . No significant pleural effusion or pneumothorax is detected . The cardiac silhouette is accentuated by under - inflation of the lungs , but likely within normal limits . The thoracic aorta is tortuous causing prominence of the mediastinum , which is unchanged from prior studies . The hilar contours are within normal limits .
    OUTPUT:
    
Mild pulmonary interstitial edema , which is new from the most recent prior study .