Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lower lung volumes are seen on the current exam . There are patchy regions of consolidation at both bases , left greater than right . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is within normal limits . Old right rib fractures are noted .
    OUTPUT:
    
Lower lung volumes on the current exam . While atelectasis may contribute to some of the bibasilar opacities , there is suspicion for underlying pneumonia . Repeat after treatment suggested to document resolution .