Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are within normal limits . The pulmonary vasculature is normal . Minimal patchy opacities are seen within the left lower lobe , findings which may reflect early infection . Right lung is clear . No pleural effusion or pneumothorax is identified . No acute osseous abnormalities seen .
    OUTPUT:
    
Minimal patchy opacities within the left lower lobe may reflect early infection .