Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The aorta is mildly unfolded with minimal atherosclerotic calcifications noted at the aortic knob . Biapical scarring is re - demonstrated . The lungs are otherwise clear and the pulmonary vasculature is normal . No pleural effusion , focal consolidation or pneumothorax is visualized . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .