Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . Radiodensity along the right hilum has increased in density when compared to examination from ___ . However , it remains unchanged as compared to most recent examination from ___ . The lungs are well expanded and clear . There are no pleural effusions or pneumothorax . Visualized osseous structures are unremarkable .
    OUTPUT:
    
Radiodensity of the right hilum which appears unchanged from prior examination . Further examination with CT is recommended to exclude any abnormality .