Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes and persistent elevation of the right hemidiaphragm . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Low lung volumes and persistent elevation of the right hemidiaphragm . No significant interval change .