Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been previous surgery in the left lung with clips just below the left main bronchus , unchanged in appearance . Associated mild volume loss in left hemithorax appears stable . Cardiomediastinal contours are unchanged . Lungs are clear , and there are no pleural effusions or acute skeletal findings .
    OUTPUT:
    
Stable post-operative appearance of the chest with no findings of disease recurrence . However , CT would be more sensitive for detecting recurrent disease and may be considered if there is strong clinical suspicion .