1.

术前三维重建与术中操作。A：2D-CT平扫示左肺尖后段见两结节；B：术前3D-CTBA肺段动脉重建并与术中手术操作对照；C：术前3D-CTBA肺段静脉重建并与术中手术操作对照；D：术前3D-CTBA肺段支气管重建并与术中手术操作对照。术中视频图片由3D转换为2D图片；图中缩写：A为动脉，V为静脉，B为支气管，S为肺段。

Preoperative three-dimensional reconstruction and intraoperative operation. A: 2D-CT scan showed two nodules in the segmentum apicoposterius of the left lung; B: preoperative 3D-CTBA segment artery reconstruction and contrasted with intraoperative operation; C: preoperative 3D-CTBA segment vein reconstruction and contrasted with intraoperative operation; D: preoperative 3D-CTBA segment bronchial reconstruction and contrasted with intraoperative operation. The image of video in the operation is converted to 2D images from 3D; abbreviation in the figure: A: artery; V: vein; B: bronchial; S: segment.