Methods We randomly assigned patients with epidermal growth factor receptor-positive colorectal cancer with unresectable metastases to receive FOLFIRI either alone or in combination with cetuximab.
方法：我们随机分组表皮生长因子受体阳性、转移性、不可切除结直肠癌患者接受FOLFIRI单独化疗或联合西妥昔单抗化疗。
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