Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Opacities are seen in the bilateral lung bases likely reflecting atelectasis but can not exclude aspiration or pneumonia in the right clinical setting . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is unremarkable .
    OUTPUT:
    
Bibasilar opacities likely reflecting atelectasis but can not exclude aspiration or pneumonia in the right clinical setting .