Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Sternotomy wires are unchanged in location and configuration . Cardiomediastinal silhouette is stable . Lungs are hyperinflated , but clear . There is no focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
No acute intrathoracic abnormality .