Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are unremarkable . Mild atherosclerotic calcifications are noted at the aortic knob . Pulmonary vasculature is normal . Lungs are hyperinflated without focal consolidation , pleural effusion or pneumothorax . Pleural - parenchymal scarring is noted at the apices bilaterally . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .