Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to prior study from ___ , there has been an interval increase in left lower lobe opacity . Otherwise , right lower lobe opacity appears stable . Lungs are without a pneumothorax . Emphysematous changes are again noted . Cardiomediastinal silhouette is normal . Kyphosis of the thoracic spine is again noted with post-vertebroplasty changes and vertebral body compression fracture .
    OUTPUT:
    
There has been interval increase in the left lower lobe opacity suggestive of developing pneumonia . Otherwise , right lower lobe opacity appears relatively stable .