Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided . Midline sternotomy wires are again noted as well and mediastinal clips . The lungs appear clear without focal consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette is stable . Atherosclerotic calcification along the aortic knob is noted . Bony structures appear intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute findings in the chest .