试题与答案

关于恶性肿瘤的论述,正确的是A.从腺上皮发生的恶性肿瘤称为肉瘤 B.癌是从间叶组织发

题型:单项选择题

题目:

关于恶性肿瘤的论述,正确的是

A.从腺上皮发生的恶性肿瘤称为肉瘤

B.癌是从间叶组织发生的恶性肿瘤

C.癌比肉瘤多见,二者比例大致为9:1

D.不超过皮下和黏膜下层的癌称为原位癌

E.肉瘤和癌同时存在者称为类癌

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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