Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are fully expanded and clear . Bilateral hilar adenopathy and mild cardiomegaly are unchanged . No pleural effusion . Overall , radiographic examination of the chest is unchanged .
    OUTPUT:
    
Unchanged hilar lymphadenopathy without significant changes compared to ___ . No acute cardiopulmonary abnormality .