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Low RETREAT scores a identify patients at low risk of HCC recurrence in patients within the Milan criteria b (panel (A)), but not in those beyond the Milan criteria (panel (B)). a RETREAT score: α-fetoprotein at LT, microvascular invasion, and sum of largest viable tumor diameter and number of tumors. b Milan criteria (MC): one tumor ≤5 cm, or three tumors ≤3 cm each. Abbreviations: HCC, hepatocellular carcinoma.
