Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is 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 unremarkable . Aortic knob is calcified peer
    OUTPUT:
    
Persistent elevation of the right hemidiaphragm . No acute cardiopulmonary process .