Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The aorta is tortuous . Lungs are hyperinflated with streaky linear opacity in the lingula compatible with subsegmental atelectasis . Blunting of the right costophrenic angle suggests a small right pleural effusion . No focal consolidation or pneumothorax is demonstrated . Multilevel mild degenerative changes are noted in the thoracic spine along with S - shaped scoliosis .
    OUTPUT:
    
Small right pleural effusion .