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Disease-free survival (DFS) adjusted for possible bias in time to imaging. Overall DFS for patients treated with mFF6 (mFOLFOX6) alone for 6 months or mFF6 for 6 months plus bevacizumab (mFF6 + Bev) for 12 months after correction for the potential bias in time to first imaging because of the differences in treatment duration. Unadjusted Bev results plotted for reference. HR, hazard ratio.
