Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph demonstrates moderately well - aerated lungs with a normal cardiomediastinal silhouette . Streaky opacities in the bilateral lung bases are most compatible with atelectasis , with slightly better aeration of the left lower lung compared to chest radiograph in the day prior . There is no focal consolidation concerning for pneumonia . No pleural effusion or pneumothorax is identified . The visualized upper abdomen is unremarkable , other than surgical clips projecting over the mid abdomen .
    OUTPUT:
    
Bibasilar atelectasis . No definite consolidation to suggest pneumonia .