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Kaplan-Meier curves for DRFS to treatment groups DRFS in (A) original cohort (n=211), (B) inverse probability of treatment weighting adjusted cohorts (n=347), (C) non-gastric GIST subgroup in original cohort (n=128) and (D) gastric GIST subgroup in original cohort (n=83). DRES, distant recurrence-free survival; GIST, gastrointestinal stromal tumor.
