Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are normally expanded . Haziness in the right infrahilar region is somewhat more prominent since the prior study . No other focal airspace opacity is detected . The cardiomediastinal silhouette and hilar contours are normal . There is no pleural effusion or pneumothorax . There is prominence of predominantly large bowel in the upper abdomen , although this is nonspecific .
    OUTPUT:
    
Haziness in the right infrahilar region could reflect pneumonia .