血管集束征并非肺癌的供血血管和肿瘤血管。

Vascular convergence sign is not supply vessel and tumor vessel.

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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。

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.

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结果血管集束征在周围型小肺癌的出现率为88.5%（46/52），肺良性结节出现率为18.2%（4/22），二者之间有非常显著差异性（P<0.001）。

Results The incidence of vessel convergence was 88.5%(46/52) in the peripheral small lung carcinoma, and 18.2%(4/22) in benign lung nodule, both of which differed significantly(P<0.001).

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