Of the 4 mass-type foci in 3 cases, 3 had air bronchogram sign and 2 had irregular necrosis cavities.
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；
Results: We found some signs are of great importance: opaque glass sign, alveolar nodular sign, pathologic air bronchogram sign.
结果：磨砂玻璃征，腺泡样结节，病理性支气管气相具有重要的诊断价值。
Results Typical nodules with deep lobulated sign, spiculated sign, vacuole sign, air bronchogram, pleural indentation, and vessel convergence has great value in the diagnosis of malignant SPN.
结果典型结节并具有深分叶征，毛刺征，小泡征，含气支气管征，胸膜凹陷征，血管集束征对恶性结节的诊断具有较高价值。
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