Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are normal . Interval development of bibasilar atelectasis and probable small pleural effusions . Distended loops of bowel in the imaged upper abdomen are have been more fully assessed by abdominal radiograph is performed the same date and dictated separately .
    OUTPUT:
    
Bibasilar atelectasis and small pleural effusions . .