Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Consolidation in the left lower lobe appears more conspicuous when compared to previous exam from ___ . There is no new focal consolidation , the lungs are otherwise clear . Tracheostomy tube remains in place . The cardiomediastinal silhouette is within normal limits . Vascular stent seen over the neck . Right axillary / chest wall surgical clips are noted .
    OUTPUT:
    
Persistent left lower lobe consolidation .