Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Numerous large bilateral pulmonary metastases are seen from patient 's known history of lung cancer , significantly progressed since ___ . There is no definite evidence of pneumonia . No pneumothorax . Surgical clips are seen at the site of the left lower lobectomy .
    OUTPUT:
    
Extensive metastatic disease to the lungs .