Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is overall stable compared to the prior exam . There is stable parechnymal distortion suggestive of underlying emphysema ; however , no focal airspace consolidation concerning for pneumonia is identified . Hilar and mediastinal contours are unremarkable . There is no evidence of pneumothorax . There is no pleural effusion . The visualized osseous structures are unremarkable .
    OUTPUT:
    
Underlying emphysema with no focal consolidations concerning for pneumonia .