Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate hyperexpanded lungs . Bibasilar atelectasis has improved slightly over the interval . Tiny bilateral pleural effusions are present . Cardiomediastinal and hilar contours are unchanged . There is no pneumothorax . A nasogastric tube courses into the stomach and out of the field of view .
    OUTPUT:
    
Tiny bilateral pleural effusions . Slight improvement in bibasilar atelectasis .