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SG size and orientation in each period. (A) Change in the DA diameter, (B) DA angle, (C) SG size (diameter)/distal DA diameter at the end of the SG, and (D) SG angle. *, means P<0.05 between preoperative vs. recent periods; †, means P<0.05 between postoperative vs. recent periods. DA, descending aorta; SG, stent graft.
