Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Evaluation of the left hemithorax is slightly limited due to patient positioning . Cardiomediastinal silhouette appears mildly enlarged . Post - CABG changes are noted with intact median sternotomy wires . The lungs are clear and without a focal consolidation , effusion , or pneumothorax . No acute fractures are identified .
    OUTPUT:
    
No acute cardiopulmonary process .