Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . The pulmonary vascularity is normal . Minimal streaky left lower lobe opacity is concerning for pneumonia . The right lung is clear . No pleural effusion or pneumothorax is seen . No acute osseous abnormalities detected .
    OUTPUT:
    
Streaky left lower lobe opacity is concerning for pneumonia .