1. One clue to the presence of such a neoplasm is an elevated serum alpha-fetoprotein.
发生肝细胞癌的表现之一为血清甲胎蛋白升高。

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2. One clue to the presence of such a neoplasm is an elevated serum alpha-fetoprotein.
发生肝细胞癌的表现之一为血清甲胎蛋白升高。

来自互联网