题目内容
类癌是指
2022-03-14
A.一种与癌相类似的恶性肿瘤
B.起源于胚胎神经嵴的嗜铬细胞瘤
C.—种生长快的恶肿瘤，介于瘤与癌之 间的肿瘤
D.以瘤细胞大小不一为特征的肿瘤
E.—种与肉瘤相类似的恶性肿瘤
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