Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is enlarged and appears slightly larger when compared to ___ study that may be exaggerated secondary to low lung volumes . Mild bibasilar atelectasis is seen . No pulmonary vascular congestion or pulmonary edema is seen . No focal consolidations , pleural effusions , or pneumothorax are seen .
    OUTPUT:
    
Mild bibasilar atelectasis otherwise no acute cardiopulmonary findings .