Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A subtle opacity at the right lung base is concerning for pneumonia . The cardiomediastinal and hilar contours are within normal limits . There is no pneumothorax , fracture or dislocation . Limited assessment of the abdomen is unremarkable .
    OUTPUT:
    
A subtle opacity at the right lung base in the appropriate clinical setting could represent pneumonia .