單項(xiàng)選擇題患者,男,52歲,乙肝“小三陽”20余年,B超體檢發(fā)現(xiàn)肝區(qū)結(jié)節(jié)狀腫塊數(shù)個。實(shí)驗(yàn)室檢查:AFP>1000ng/L,ALT35U/L。首先可考慮為()

A.胃癌肝轉(zhuǎn)移
B.膽管癌
C.胰腺癌
D.原發(fā)性肝癌
E.腎癌肝轉(zhuǎn)移