Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no evidence of pneumonia . The cardiac and mediastinal contours are normal . There are no pleural effusion and no pneumothorax . The subclavian line on the left side is in adequate position in the lower superior vena cava .
    OUTPUT:
    
There is no radiologic evidence of pneumonia .