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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All are considered to be poor prognostic factors in liver metastasis except
assistant
The correct answer is  Poor prognostic or factors affecting outcome Four or more tumors Extra hepatic disease Size >5cm Disease free interval <1 year Lymph node positive primary lesion CEA >200ng /ml Synchronous liver metastasis Ref:Sabiston 20th edition Pgno :1464-1465