Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate hyperexpanded lungs . There are multifocal airspace opacities , most consistent with a multifocal pneumonia . Note is made of enlarged mediastinal and hilar lymphadenopathy , which is seen dating back to ___ . The heart is not enlarged . There is no pneumothorax . There are small bilateral pleural effusions .
    OUTPUT:
    
1 . Multifocal airspace opacities are concerning for a multifocal infectious process , or alternatively chronic eosinophilic pneumonia could also be considered . 2 . Hyperexpanded lungs . 3 . Mediastinal and hilar lymphadenopathy is seen dating back to ___ .