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![Anatomical features associated with venous congestion in DIEP flap using CT angiography with three-dimensional reconstruction](https://image.oaes.cc/ec96b232-7943-4159-a869-a03d5b695abd/2191.fig.4.png)
Figure 4. Three-dimensional abdominal wall reconstruction with AYRA software from computed tomography angiography images. (A) Horizontal plane 8 cm inferior to the horizontal plane connecting the iliac crests, marking level of measurement of the SIEV diameter; (B) measurement of the SIEV diameter. SIEV: superficial inferior epigastric vein