Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Streaky opacity within the right lower lobe may reflect an area of developing infection . Left lung is clear . No pleural effusion or pneumothorax is identified . No acute osseous abnormality seen .
    OUTPUT:
    
Streaky right lower lobe opacity could reflect an area of developing infection .