Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post sternotomy and CABG . The sternotomy wires are intact . The cardiomediastinal silhouette is normal . The lungs are clear without consolidation or edema . There is no pleural effusion or pneumothorax . The osseous structures are unremarkable . There is no evidence of free air beneath the hemidiaphragms . Atherosclerotic calcifications are noted in the aorta .
    OUTPUT:
    
No acute cardiopulmonary process .