CB and OB all can form nodule in vitro, although the nodule formed by CB was lesser than OB.

CB在体外可形成矿化结节，CB形成的矿化结节较OB形成者少而且小。

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Less metastasis tendency was seen in large nodule type and it was serious in small nodule type.

大结节融合型转移轻，小结节孤立型转移严重。

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The detecting rate of nodule notch sign on MPR in malignant nodule was 70%, which was of significant difference between MPR and plain CT scan.

恶性支气管血管连接在MPR的切迹征检出率为70 % ，与横断扫描之间有显著差异。

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The detecting rate of nodule notch sign on MPR in malignant nodule was 70%, which was of significant difference between MPR and plain CT scan.

恶性支气管血管连接在MPR的切迹征检出率为70 % ，与横断扫描之间有显著差异。

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