Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ . The lungs are clear of consolidation . There is no pulmonary vascular redistribution . The cardiomediastinal silhouette is stable and notable for postoperative changes with median sternotomy wires and mediastinal clips . There is no evidence of pleural effusion on the current exam . Osseous and soft tissue structures are stable .
    OUTPUT:
    
No acute cardiopulmonary process .