Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval resolution of the left lower lobe opacity previously seen . No new focal opacities are seen . The heart size is normal . The hilar and mediastinal contours are unremarkable . There is no evidence of pleural effusion or pneumothorax . The visualized osseous structures are unremarkable .
    OUTPUT:
    
Interval resolution of the left lower lobe pneumonia .