MammaBalance

MammaBalance measures a balance of a subject's breast. It can provide the items indicated in the following. 　　Angle: the angle between each nipple and the line which is going through ① and ④. 　　CommonArea: the common area of two triangles. 　　Area: the area of triangles which are made by ①②'④' and ①③④'. 　　Ratio: the percentage of the common area in each areas.