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Cumulative rates of patients free of hepatocellular carcinoma (HCC) according to Child-Pugh class and α fetoprotein (AFP) level at entry into the study. 1, Child-Pugh class B/C and AFP >20 ng/ml (n=26); 2,Child-Pugh class A and AFP <20 ng/ml (n=173); 3, Child-Pugh class A and AFP >20 ng/ml (n=27); 4, Child-Pugh class B/C and AFP <20 ng/ml (n=87).
