问题
单项选择题
肺硅沉着症的特征性病变是（）。
A.肺门淋巴结肿大
B.肺间质纤维化
C.硅结节形成
D.胸膜纤维化
E.肺气肿
答案
参考答案：C
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肺硅沉着症的特征性病变是（）。
A.肺门淋巴结肿大
B.肺间质纤维化
C.硅结节形成
D.胸膜纤维化
E.肺气肿
参考答案：C
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