Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are reduced . This accentuates the size of cardiac silhouette which is likely within normal limits . The mediastinal and hilar contours are unremarkable . There is crowding of the bronchovascular structures . Mild bibasilar atelectasis is noted . No focal consolidation , pleural effusion or pneumothorax is identified . No acute osseous abnormalities are seen .
    OUTPUT:
    
Low lung volumes with mild bibasilar atelectasis .