Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no pulmonary edema or new lung opacities . Since prior exam , metastatic lung nodule burden may have decreased slightly . Some of the nodule are now cavitated . Mediastinal and cardiac contour is unchanged with bilateral hilar enlargement in a patient known with metastatic lymph nodes . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . There is no pulmonary edema or new lung consolidation . 2 . Diffuse pulmonary metastases , perhaps mildly decreased , with some lesions that appear cavitary .