Fig 3. 3D surface data of the MCA aneurysm before growth and anteroposterior projection (A) and superoinferior projection (B), demonstrating multiple points at which the value of wall shear stress was obtained. 3D surface data of the MCA aneurysm after growth, anteroposterior projection (C) and superoinferior projection (D), demonstrating multiple points at which the value of wall shear stress was obtained.