Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable chest radiograph was provided . There has been improvement in the left and right hilar opacities , likely representing combination of pneumonia and lymphadenopathy . There is left basilar atelectasis . Cardiomediastinal silhouette is unchanged . No pneumothorax or pleural effusions are present .
    OUTPUT:
    
Improvement in right perihilar opacity consistent with improving infection .