Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate to severe enlargement of the cardiac silhouette is re - demonstrated . Mediastinal and hilar contours are unchanged . Mild pulmonary vascular congestion is noted . No focal consolidation , pleural effusion or pneumothorax is noted . Streaky opacities in the lung bases likely reflect areas of atelectasis . Multiple compression deformities are again demonstrated in the thoracic spine , unchanged , and most severe at T12 .
    OUTPUT:
    
Mild pulmonary vascular congestion and mild bibasilar atelectasis .