Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Minimal left basilar atelectasis is noted . Subtle diffuse lucency within the bilateral upper lobes is suggestive of mild emphysema . No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is seen . The heart size is normal . Mediastinal contours are normal . Cervical fusion hardware is noted . No acute bony abnormality is detected .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Emphysema .