Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are normal . Pulmonary vasculature is not engorged . Minimal patchy opacity is seen within the left mid lung field which could reflect an area of developing infection . The right lung is clear . No pleural effusion , focal consolidation or pneumothorax is present . No acute osseous abnormalities seen . Clips are noted within the upper abdomen .
    OUTPUT:
    
Minimal patchy opacity within the left mid lung field may reflect an area of developing infection .