Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is not enlarged . There is elevation of the right hemidiaphragm , slightly more than on ___ . The heart is not enlarged . Within the limits of plain film radiography , no hilar mediastinal lymphadenopathy is detected . No CHF , focal infiltrate , effusion , or pneumothorax is detected . There is minimal biapical pleural scarring , similar to the prior study . Old healed left seventh rib fracture again noted .
    OUTPUT:
    
Elevated right hemidiaphragm , slightly more pronounced than in ___ . No acute pulmonary process identified . No radiographic evidence of mass .