Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post left upper lobe lobectomy . Post - surgical changes are noted in the left upper lobe . No focal consolidation , pleural effusion or pneumothorax is identified . The cardiac , mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process . Post - surgical changes in the left upper lobe .