A.與吸煙關(guān)系密切 B.多見(jiàn)于老年男性 C.大多數(shù)發(fā)生在葉、段支氣管 D.生長(zhǎng)較快、轉(zhuǎn)移較早 E.手術(shù)切除機(jī)會(huì)少