Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac , hilar and mediastinal silhouettes are unremarkable . Lumbar spinal fusion hardware is noted . Postsurgical changes status post right thyroid lobectomy noted . Bilateral breast implants are again noted .
    OUTPUT:
    
No evidence of pneumonia .