Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are somewhat low , which accentuates bronchovascular markings but the lungs appear clear . The cardiomediastinal and hilar contours are within normal limits . There is no focal consolidation , pleural effusion or pneumothorax identified . No osseous abnormalities are identified .
    OUTPUT:
    
Low lung volumes . No acute cardiopulmonary abnormality .