Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal . Atherosclerotic calcifications are noted at the aortic knob . Mediastinal and hilar contours are unremarkable . Lungs are hyperinflated without focal consolidation . Symmetric scarring is noted the lung apices . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities . Moderate degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .