题目内容
关于肾细胞癌的说法，错误的是
2021-09-30
A.肾区可扪及包块
B.主要见于中老年人，男性多于女性
C.临床典型表现为腰部疼痛伴有尿痛、血尿
D.起源于肾小管上皮细胞
E.CT平扫为略低或等密度肿块
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