Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a subtle opacity at the right lung base , which may represent developing pneumonia . No other focal consolidation is identified . No pneumothorax or pleural effusion . Surgical clips are noted projecting over the right upper quadrant . No acute osseous abnormalities identified .
    OUTPUT:
    
Subtle opacity at the right lung base , which may represent a developing pneumonia .