Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal , unchanged . The mediastinal and hilar contours are normal . The pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is identified . ___ ___ appearance of the thoracic spine is compatible with renal osteodystrophy .
    OUTPUT:
    
No acute cardiopulmonary abnormality .