Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are normal . Right upper lobe opacities have markedly improved . Minimal peripheral left apical opacities are more conspicuous than in the prior study but improved from ___ . There is no pneumothorax or pleural effusion . The osseous structures are unremarkable
    OUTPUT:
    
Marked improved abnormalities in the upper lobes . No new lung abnormalities