Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior exam , there is a new left lower lobe opacity , most consistent with pneumonia . There is likely a small associated pleural effusion . In the right mid lung zone , there is scarring , which is stable from the prior exam . Additionally , there is a faint opacity , which is also unchanged . This was better characterize on the prior CT has multiple punctate calcifications . There is no right pleural effusion . No pneumothorax is identified . The cardiomediastinal silhouette is normal . Multiple compression deformities in the thoracic spine are unchanged . There are moderate multilevel degenerative changes .
    OUTPUT:
    
1 . New left lower lobe opacity , concern for pneumonia , and probable small associated pleural effusion . 2 . Unchanged right mid lung zone opacity and scarring .