Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is unfolded and diffusely calcified . Lungs are clear . Pulmonary vascularity is normal . Mediastinal and hilar contours are otherwise unremarkable . Scarring within the lung apices is present . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .