Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear within normal limits . Mildly prominent opacity in the right infrahilar region appears unchanged and is suspected to represent normal descending vascularity , which is unchanged and associated with slight leftward rotation of the heart . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
No evidence of acute disease .