Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , there is no significant change . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unchanged . There is chronic blunting of the right lateral costophrenic angle , likely due to scarring . Median sternotomy wires are stable in appearance .
    OUTPUT:
    
No acute cardiopulmonary process .