Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are somewhat low leading to mild pole crowding of the pulmonary vasculature . The trachea is central . The cardiomediastinal contour is normal . The heart does not appear to be enlarged . No consolidation , pneumothorax or pleural effusion seen . The visualized bony structures are unremarkable in appearance .
    OUTPUT:
    
Low lung volumes , otherwise unremarkable chest radiograph .