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【单选题】
男性,60岁,煤矿工人,近10年来出现憋气、心悸、口唇青紫。X片检查,肺可见较密集的结节,多数直径小于1cm。不符合该患者疾病描述的是A.
矽结节对本病有诊断意义
B.
大于5μm的矽粉尘最有致病性
C.
肺间质弥漫性纤维化
D.
Ⅱ期矽肺矽结节直径小于1cm
E.
Ⅲ期矽肺矽结节直径大于2cm
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