Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is diffusely calcified and mildly tortuous , unchanged . The mediastinal and hilar contours are within normal limits . The lungs are hyperinflated without focal consolidation . Linear opacity in the right lung base likely reflects subsegmental atelectasis . No pleural effusion or pneumothorax is demonstrated . Pulmonary vasculature is not engorged . The osseous structures are diffusely demineralized . No acute fracture is seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .