Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Atherosclerotic calcifications are noted at the aortic arch . Mediastinal contours are unchanged . Pulmonary vasculature is not engorged . Lungs are hyperinflated with linear opacities seen at the lung bases most likely reflective of atelectasis and / or scarring . Mild blunting of the costophrenic sulci posteriorly indicates the presence of small bilateral pleural effusions . No focal consolidation or pneumothorax is identified . No acute osseous abnormality is detected .
    OUTPUT:
    
Bibasilar atelectasis with small bilateral pleural effusions .