Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate interval development of small to moderate bilateral pleural effusions . The lungs are otherwise clear without pulmonary vascular congestion . Unchanged in cardiomediastinal and hilar contours . No pneumothorax .
    OUTPUT:
    
Interval development of small to moderate bilateral pleural effusions . These findings were communicated to ordering physician ___ . ___ by Dr . ___ ___ telephone at 15 : 43 on ___ at the time findings were discovered .