Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . Lungs are well expanded and clear . There is mild blunting of the right costophrenic angle which could relate to small pleural effusion . There is no focal consolidation or pneumothorax .
    OUTPUT:
    
Blunting of the right costophrenic angle could relate to a small right pleural effusion .