Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged with in particular left atrial enlargement , unchanged . Mediastinal and hilar contours are unremarkable and stable . Pulmonary vascularity is normal . Linear opacities in the lingula are compatible with scarring . There is no focal consolidation , pleural effusion or pneumothorax . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .