Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The heart is of normal size with normal cardiomediastinal contours . Minimal biapical opacities are compatible with pleural parenchymal scarring . The lungs are otherwise clear without focal consolidation , pneumothorax , or pleural effusion . No radiopaque foreign body . There are mild calcifications of the aortic arch . The osseous structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .