Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Small left pleural effusion and basilar consolidation appears stable compared to the prior exam . No new focal consolidations are seen . The right lung is clear . There is no pneumothorax . The heart size is normal . The hilar and mediastinal contours are normal . There has been interval placement of cervical spine hardware .
    OUTPUT:
    
Unchanged left lower lobe consolidation likely secondary to pneumonia .