Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The mediastinal and hilar contours are unchanged . Pulmonary vasculature is not engorged . The lungs remain hyperinflated suggestive of COPD . No focal consolidation , pleural effusion or pneumothorax is identified . Scarring is seen within the lung apices . The osseous structures are diffusely demineralized . No acute osseous abnormalities otherwise demonstrated .
    OUTPUT:
    
No acute cardiopulmonary abnormality .