Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right suprahilar rounded opacity persists on today 's radiograph . There is a questionable retrosternal airspace opacities and a neither opacity projecting anteriorly over the heart on the lateral radiograph . There is no pneumothorax . The heart and mediastinum are within normal limits .
    OUTPUT:
    
Right suprahilar opacity persists , and may be due to hilar lymphadenopathy or a perihilar lesion . Given this persistent abnormality and the suspected parenchymal findings , a contrast - enhanced chest CT is recommended .