Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest was obtained . Moderate sized bilateral effusions , right greater than left , are new since ___ . Vague bibasilar lung opacities could represent atelectasis versus pneumonia . No pneumothorax . Heart size and cardiomediastinal contours are stable . Changes of lumbar spine kyphoplasty are similar to prior .
    OUTPUT:
    
New moderate - sized bilateral pleural effusions , right greater than left . Bilateral lung base opacities could represent either pneumonia or atelectasis .