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Kaplan-Meier survival curves of OS and tumor recurrence before (A,B) and after (C,D) IPTW analysis among ICC-MVI patients who underwent curative-intent partial hepatectomy, according to adjuvant TACE status. The at-risk table shows the actual number of patients at risk. OS, overall survival; IPTW, inverse probability of treatment weighting; ICC, intrahepatic cholangiocarcinoma; MVI, microvascular invasion; TACE, transarterial chemoembolization.
