Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post a left upper lobectomy with associated volume loss , scarring , and tracheal deviation to the left . This is stable in comparison to the prior radiograph on ___ . There are multiple bilateral rounded nodular opacities , predominantly at the bases . In comparison to the prior radiograph on ___ , the number of these opacities have increased , particularly on the right . Given how well defined these nodules are , this is concerning for widespread metastatic disease . No definite pneumonia is identified , but given the underlying parenchymal abnormalities , it can not be completely excluded . There is no pleural effusion , pneumothorax , or pulmonary edema . No compression fracture is identified .
    OUTPUT:
    
1 . Numerous bilateral nodules consistent with metastatic disease ; it is hard to compare directly to the prior examination for small changes , noting different technique , but there is no definite change from a very recent study from ___ . 2 . No definite pneumonia , although in the setting of a background of diffuse lung abnormalities , a small pneumonia can not be completely excluded . 3 . Stable post-operative changes status post a left upper lobectomy .