Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low and exaggerate the pulmonary vascular markings . There are bibasilar atelectatic changes . Additionally , there is mild increase in central venous pressure . Otherwise , cardiomediastinal silhouette is normal . Osseous structures are normal . There is no evidence of focal consolidation , effusion or pneumothorax .
    OUTPUT:
    
Low lung volumes with bibasilar atelectasis . Pneumonia must be excluded in the proper clinical setting .