Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Heart size is normal . Mediastinal and hilar contours are unremarkable . Elevation of the right hemidiaphragm is unchanged . No focal consolidation , pleural effusion or pneumothorax is seen . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary process .