题目内容
关于肺内恶性肿瘤，哪种说法是错误的
2021-09-29
A.肿瘤多无包膜，呈浸润性生长
B.肿瘤呈分叶，有短毛刺
C.肿瘤易发生坏死而形成厚壁空洞
D.肿瘤内常见钙化且有卫星灶
E.肿瘤靠近胸膜时可形成胸膜凹陷
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