Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs again demonstrate median sternotomy wires and surgical clips along the left heart border compatible prior CABG . The cardiomediastinal silhouette is within normal limits . Lungs are well aerated without focal consolidation , pleural effusion , or pneumothorax . Pulmonary vasculature is normal . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .