Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest are obtained . The lungs appear clear without focal consolidation , effusion , or pneumothorax . Cardiomediastinal silhouette appears stable with unfolded thoracic aorta again noted . Bony structures appear intact . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
No signs of pneumonia .