Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is borderline enlarged . Mediastinal and hilar contours are unremarkable . Linear opacity within the right lung base is compatible with scarring . No focal consolidation , pleural effusion or pneumothorax is present . No acute osseous abnormalities are present .
    OUTPUT:
    
No acute cardiopulmonary abnormality .