Bevacizumab with preoperative chemotherapy versus preoperative chemotherapy alone for colorectal cancer liver metastases: a retrospective cohort study.

[ 15 ] In our study, the addition of bevacizumab tended to convert initially unresectable liver metastasis into R0 resection, although the results failed to reach statistical significance (51.9% vs 40.4%, P = 0.341).

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