Task: Answer Verification
Input (English): Question: Does two-stage hepatectomy with effective perioperative chemotherapy induce tumor growth or growth factor expression in liver metastases from colorectal cancer?
Answer: Two-stage hepatectomy did not seem to induce tumor growth activity or growth factor expression. The 2-stage strategy in combination with effective preoperative chemotherapy is a valuable strategy for colorectal metastases.
Output (English): no