Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A vagal nerve stimulator is present . There is no evidence of pneumothorax or pleural effusions . No focal consolidations are seen within the lungs . The overlying chin does however obscure the left apex . The heart is normal in size . No acute fractures are seen within the osseous structures .
    OUTPUT:
    
No acute intrathoracic process .