Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral pleural effusions with bibasilar atelectasis . Bilateral hilar contours are prominent without nodularity . No pulmonary edema . No pneumothorax . Heart size is normal . Prior thoracolumbar posterior spinal surgery . Prominent l small bowel oops in the left upper quadrant .
    OUTPUT:
    
Bilateral pleural effusions with basilar atelectasis .