Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The aorta is unfolded . Mediastinal and hilar contours are unremarkable . Patchy ill - defined opacities within the lung bases , more so on the right , are concerning for infection . No pleural effusion or pneumothorax is detected . There are no acute osseous abnormalities .
    OUTPUT:
    
Patchy bibasilar airspace opacities , more pronounced on the right , concerning for infection .