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Panel A Pooled estimates of positive margins rates. - Panel B Pooled estimates of clear margins rates. - Panel C Pooled estimates of re-excision rates. Squares represent study-specific estimates (size of the square reflects the study-specific statistical weight); horizontal lines represent 95% CIs; diamonds represent the pooled estimate with corresponding 95% CI; p values are from testing for heterogeneity between study-specific estimates. Abbreviation: CI, confidence interval.
