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Kaplan–Meier curves comparing rRFS between non-pHV and pHV HCC patients after propensity score-match. (A) For all cases; (B) For HCCs smaller than 3 cm; (C) For initially diagnosed HCCs. rRFS: regional recurrence-free survival; HCC: hepatocellular carcinoma; pHV: peri-hepatic vein.
