Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is focal opacity at the right lung base laterally seen posteriorly on the lateral view . Elsewhere , lungs are clear . Cardiomediastinal silhouette is stable . No acute osseous abnormalities .
    OUTPUT:
    
Right lower lobe focal opacity which could be pneumonia in the proper clinical setting . Repeat after treatment suggested to document resolution .