單項(xiàng)選擇題關(guān)于肺癌的轉(zhuǎn)移方式,哪項(xiàng)是正確的:()

A.鱗癌發(fā)生血行轉(zhuǎn)移較早
B.鱗癌發(fā)生血行轉(zhuǎn)移較晚
C.燕麥細(xì)胞癌常在早期就出現(xiàn)淋巴轉(zhuǎn)移
D.肺泡細(xì)胞癌分化程度低,早期即可發(fā)生淋巴轉(zhuǎn)移