Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Decreased width of mediastinal and hilar contours is noted as compared to the prior examination suggesting that there may have lymphadenopathy present previously . Additionally , widespread pulmonary opacities present on the earlier chest x-ray have resolved as well . No new pulmonary or pleural abnormalities have developed . Skeletal structures are unremarkable .
    OUTPUT:
    
No evidence of acute pneumonia .