Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded and clear consistent with COPD . No focal opacities identified concerning for pneumonia . Again seen are biapical calcifications and small irregular nodular opacity in the right lower lung , all unchanged in appearance . A rounded retrosternal zone of inceased opacity seen on the lateral view only represents a region of subpleural fat . The cardiomediastinal silhouette and hilar contours are normal . There is no effusion or pneumothorax . No lytic lesion is identified however these films are not optimized to evaluate bony detail .
    OUTPUT:
    
No evidence of acute cardiopulmonary process or lytic lesion identified .