Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with chest radiograph from ___ , there is little overall change . Sternal alignment is maintained and there is no evidence of hardware loosening or failure . Lungs are clear without focal consolidation , pleural effusion or pneumothorax . Mediastinal and hilar contours are normal . Heart size is normal .
    OUTPUT:
    
No evidence of hardware loosening or failure . Sternal alignment is maintained .