癌性支气管充气征、空泡征和结节征为主要内部表现；
Carcinous bronchiologram, vacuole and nodule sign were major internal features.
在肿块型3例4个肿块中，支气管充气征3个，伴不规则坏死空洞2个；
Of the 4 mass-type foci in 3 cases, 3 had air bronchogram sign and 2 had irregular necrosis cavities.
结论：两肺野透光度降低伴细或粗颗粒状影、支气管充气征等是本病的典型影像表现。
Conclusions: The typical imaging findings in the disease are reticulonodular I decrease lucent of lungs or fine and crude granular and air bronchgram.
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