Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . Bibasilar opacities are likely a combination of mild to moderate atelectasis and small pleural effusions . Mild vascular congestion is new since prior exam . The heart size is unchanged . No evidence of pneumothorax or pneumonia .
    OUTPUT:
    
New mild vascular congestion and bibasilar opacities , likely from a combination of mild to moderate atelectasis and small pleural effusions , since ___ .