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１．材料与方法：肝癌组织２１例（男１２例，女９例），平均年龄６４岁（范围３３～７６岁），Ⅱ期６例，Ⅲ期１３例，Ⅳ期２例；高分化癌３例，中分化癌９例，低分化癌７例，未分化癌２例。１０例正常肝组织（男６例，女４例），平均年龄５７岁（范围３９～７５岁）。所有组
1. MATERIALS AND METHODS: Twenty-one patients (12 males and 9 females) with a mean age of 64 years (range 33-76 years), 6 cases of stage Ⅱ, 13 cases of stage Ⅲ and 2 cases of stage Ⅳ, 3 cases of well-differentiated carcinoma , Moderately differentiated carcinoma in 9 cases, poorly differentiated carcinoma in 7 cases, undifferentiated carcinoma in 2 cases. Ten cases of normal liver tissue (6 males and 4 females) with an average age of 57 years (range 39-75 years). All groups