Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable . There is no pleural effusion or pneumothorax . The lungs are well expanded without focal consolidation concerning for pneumonia . Post treatment changes in the left apex are again noted . Chronic scarring or atelectasis is noted in the lingula . The visualized portion of the upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .