Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The mediastinal and hilar contours are within normal limits . Pulmonary vasculature is not engorged . Patchy ill - defined opacity is noted within the right lower lobe , which could reflect an area of developing infection . Minimal patchy opacity in the left lung base is also noted , possibly an area of atelectasis . No pleural effusion or pneumothorax is seen . No acute osseous abnormality is detected .
    OUTPUT:
    
Patchy right lower lobe ill - defined opacity is concerning for an area of developing infection .