Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The cardiomediastinal and hilar contours are unremarkable . Mild atherosclerotic calcifications are noted at the aortic knob . The pulmonary vasculature is normal . Lung volumes are low and there is minimal bibasilar atelectasis . No focal consolidation is identified . No large pleural effusion or pneumothorax is seen . Widened right acromioclavicular joint may be posttraumatic or postsurgical .
    OUTPUT:
    
Low lung volumes with bibasilar atelectasis . No focal consolidation is identified .