Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardio mediastinal silhouettes are normal in appearance without significant interval change . The bilateral hila are normal in appearance . Lungs are clear without evidence of focal consolidation . There is no evidence of pulmonary vascular congestion . There is no evidence of active or latent TB infection . There are no pneumothoraces or effusions .
    OUTPUT:
    
No evidence of active or latent TB infection . Normal chest x-ray .