Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is new focal opacity at the right lung base with blunting of posterior costophrenic angle on the lateral view . Additional linear opacity slightly more superiorly is suggestive of atelectasis . The left lung is clear . The cardiomediastinal silhouette is stable . No acute osseous abnormalities .
    OUTPUT:
    
New right lower lobe opacity compatible with pneumonia in the proper clinical setting .