Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . There is a right lung opacity seen laterally , new from prior . Elsewhere , the lungs are grossly clear . Please note that lateral view is limited due to patient 's arms being down by his side . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormality .
    OUTPUT:
    
Increased region of opacity at the right lung base laterally , which could be due to infection in the proper clinical setting .