Objective:To discuss three-dimensional reconstructive techniques of multi-slice spiral CT(MSCT)in pulmonary vessels and its application value in central type of lung cancer.
目的：探讨多层螺旋CT（MSCT）三维肺血管成像技术及其在中心型肺癌病例中的应用价值。
Methodologies for the early detection of lung cancer and the definition of central type early stage lung cancer are presented.
早期检测肺癌的方法和早期中心型肺癌的定义将被讨论。
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