Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are normal . There is a faint increase in opacity of the right middle ___ . There is no pleural effusion or pneumothorax . The visualized osseous structures are unremarkable .
    OUTPUT:
    
Faint increase in opacity of the right middle ___ , ___ be concerning for an infectious process .