Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild pulmonary vascular congestion without pulmonary edema . Mild bibasilar opacities are likely atelectasis . There is no pleural effusion or pneumothorax . Mildly enlarged cardiac silhouette is similar to before .
    OUTPUT:
    
Pulmonary vascular congestion without pulmonary edema .