结论置泵灌注化疗在预防直肠癌术后局部复发和肝脏转移的治疗效果优于外周静脉全身化疗。

Conclusions Pump implementation chemotherapy is superior to peripheral venous chemotherapy in preventing postoperative local recurrence and hepatic metastasis in patients with rectal carcinoma.

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结论：结、直肠癌较少转移至感染乙肝的肝脏，非感染乙肝的肝转移机率较大。

Conclusion: colorectal cancer rarely metastasizes to the liver infected with HbsAg; the chance of liver metastases of colorectal cancer is large for patients with HbsAg (-).

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