Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided demonstrating midline sternotomy wires and mediastinal clips . Cardiomediastinal silhouette is stable . The lungs appear essentially clear , without focal consolidation , effusion or pneumothorax . There is DISH - related change of the thoracic spine with anterior flowing ossification . There is no free air below the right hemidiaphragm . Bilateral AC joint arthropathy is incidentally noted .
    OUTPUT:
    
No acute findings in the chest .