Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . Pulmonary vascularity is normal . Multiple nodules are again seen within both lungs . Chain sutures are again noted within the right mid lung field . No focal consolidation , pleural effusion or pneumothorax is identified .
    OUTPUT:
    
Innumerable bilateral pulmonary metastases , not appreciably changed in the interval . No acute cardiopulmonary abnormality otherwise identified .