Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to previous chest x-ray from ___ , a consolidation still involves the posterior segment of the right lower lung and is unchanged . The left lung and right mild and anterior segments are clear . The cardiomediastinal and hilar contours are stable . There is no pneumothorax . No bony abnormalities detected .
    OUTPUT:
    
Persistent right lower lobe consolidation , reflecting pneumonia .