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Representative case showing details of calculation of aneurysm volume at 6 months and 1 year after surgery.
The preoperative aneurysm volume was 36.7 mm3 and the aneurysm volume 6 months postoperatively was 11.8 mm3, indicating a residual aneurysm volume rate at 6 months postoperatively of 32.1%. This case was classified into the good obliteration group because complete occlusion was achieved 1 year postoperatively.
