Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with the chest radiograph obtained 6 days prior , mild to moderate pulmonary vascular congestion and pulmonary edema have resolved . Hazy opacities in the lower right lung are likely due to chronic lateral segment , right middle lobe atelectasis , better appreciated on CT chest dated ___ . Lungs are otherwise clear without focal consolidation . Heart size top - normal . No pleural effusions . Cardiomediastinal hilar silhouettes are normal .
    OUTPUT:
    
No radiographic evidence of pneumonia or acute cardiopulmonary abnormalities . Chronic atelectasis of the lateral segment , right middle lobe .