Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy tube appears unchanged in position . The lungs are clear . A few small granulomas are again seen in the chest as visualized on the prior CT from ___ . Cardiomediastinal silhouette is normal . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
No acute findings . Tracheostomy tube unchanged in appearance .