Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes . Mild bibasilar atelectasis is seen as well as minimal lingular atelectasis . There is no definite focal consolidation . There is no pleural effusion or pneumothorax . The aortic knob is calcified . The cardiac silhouette is not enlarged . No displaced fracture is seen .
    OUTPUT:
    
Low lung volumes . Bilateral lower lobe and lingular atelectasis .