Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is persistent elevation of the right hemidiaphragm , slightly increased . No focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable with some calcification at the aortic knob .
    OUTPUT:
    
Mild elevation of the right hemidiaphragm . Otherwise , no acute cardiopulmonary process .