Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided . The heart is mildly enlarged and the aorta is mildly tortuous with atherosclerotic calcifications present . There is no definite sign of pneumonia or CHF . No pneumothorax or large effusions seen . Bony structures appear intact with a mild scoliosis again noted .
    OUTPUT:
    
No definite signs of pneumonia .