fig2
![Head-to-head: Zone 2 <i>vs.</i> Zone 3 frozen elephant trunk](https://image.oaes.cc/89ad1744-3a8e-42c7-9046-5dbf64a96925/5509.fig.2.jpg)
Figure 2. FL thrombosis rate of patients in the Z-2-FET and Z-3-FET groups at the midterm follow-up. (A) Segment A; (B) segment B; and (C) segment C. Reproduced from Panfilov et al. with copyright permission obtained (from Oxford University Press)[31]. FET: frozen elephant trunk