MPR demonstrated more information about the extent of tumor than axial images in 23%cases;3D image displayed clearly the extension of tumor, the vessels and airway from multiple views.

• 23%25的病例MPR显示肿瘤侵犯的范围优于轴位，3D重建可立体显示肿瘤的侵犯范围及其与血管、气管的关系；