Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Indistinct superior segment left lower lobe opacities have resolved . Lungs are fully expanded and clear , excepting mild biapical scarring . No pleural effusion or pneumothorax . Heart size is normal . Cardiomediastinal and hilar silhouettes are unremarkable .
    OUTPUT:
    
Interval resolution of superior segment left lower lobe pneumonia . Normal chest .