Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . There are new regions of consolidation at the lung bases in the retrocardiac region and silhouetting the descending thoracic aorta as well as the right lung base medially . Superiorly the lungs are grossly clear . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications noted at the arch . No acute osseous abnormalities detected .
    OUTPUT:
    
Bibasilar regions of consolidation compatible with infection in the proper clinical setting . Recommend repeat after treatment to document resolution .