Fig. 2.
Forest plot for HR of the R>1 mm and R0-1 mm margin (A) or R0-1 mm and R0 mm margin (B). R0 mm, involved margin; R0-1 mm, margin clearance with ≤ 1 mm; R>1 mm, margin with > 1 mm; HR, hazard ratio; CI, confidence interval.
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