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Best percent change in tumor size evaluated by modified RECIST. Six of the 8 patients with tumor size reduction achieved a CR or PR in the vitamin K‐dosed group, whereas only one of 7 patients with tumor size reduction showed a PR in the sorafenib only group. Blue lines show a 30% reduction. One patient in the vitamin K‐dosed group and 2 in the sorafenib only group were excluded due to lack of assessment
