Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mild to moderately enlarged , unchanged . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is seen . Minimal streaky opacity in the left lung base likely reflects atelectasis . No acute osseous abnormalities are seen . Healing fracture of the right mid clavicle is re - demonstrated . Clips are seen within the right upper abdomen .
    OUTPUT:
    
No radiographic evidence for pneumonia .