Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no consolidation , pleural effusion , or pneumothorax . Cardiomediastinal and hilar silhouettes are normal size . Aortic contour is tortuous . Left fifth rib resection is again noted . Mild left tracheal deviation is unchanged .
    OUTPUT:
    
No radiographic evidence of pneumonia .