Lobulation, long and stiff spiculation and sawtooth interface were imaging characteristic in their margin.

病灶边缘以分叶征、星芒状毛刺、界面锯齿征为主要特征；

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Lobulation, long and stiff spiculation and sawtooth interface were imaging characteristic in their margin.

病灶边缘以分叶征、星芒状毛刺、界面锯齿征为主要特征；

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