Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Prior median sternotomy and CABG . Sternotomy wires are intact and in similar alignment . No acute focal consolidation or pulmonary edema . Mild to moderate cardiomegaly . The thoracic aorta is heavily calcified and mildly ectatic . No pleural effusions or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .