Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no radiopaque foreign body . The lungs are clear . There is no pneumothorax or pleural effusion . Mild cardiomegaly is stable . The thoracic aorta is tortuous as in the past .
    OUTPUT:
    
No radiopaque foreign body identified . Clear lungs . Stable mild cardiomegaly .