A.以鱗狀細(xì)胞癌多見(jiàn) B.多發(fā)生于舌緣,惡性程度高 C.早期常發(fā)生淋巴結(jié)轉(zhuǎn)移 D.舌根部癌可向莖突后及咽后部的淋巴轉(zhuǎn)移 E.轉(zhuǎn)移途徑多為直接浸潤(rùn)和種植轉(zhuǎn)移
A.切除原發(fā)灶常需一起行下頜骨牙槽突或方塊切除術(shù) B.應(yīng)同期行頸淋巴清掃術(shù) C.雙側(cè)頸淋巴結(jié)轉(zhuǎn)移者應(yīng)行雙側(cè)頸淋巴清掃術(shù) D.術(shù)后放療 E.以上均不是