Conclusion Venous continuous infusion chemotherapy is a safe and effective up-to-date method for postoperative treatment of colorectal cancer with fewer adverse reactions.

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

Conclusion Threedimensional conformal radiotherapy combined with chemotherapy may be an effective approach for recurrent rectal cancer and could improve the survival rate of recurrent patients.