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Fig 2. A and B, Intra-aneurysmal flow before growth. Alteration of flow-velocity structure (A) and vorticity mapping (B) during 1 cardiac cycle are presented on the midsagittal plane. C and D, Intra-aneurysmal flow after growth. Alteration of flow velocity structure (C) and vorticity mapping (D) during 1 cardiac cycle are presented on the corresponding midsagittal plane. Red and blue colors on vorticity mapping indicate counterclockwise and clockwise vortices, respectively; t indicates time.
