The curvature of the spine will result in the shoulders being at different levels when a woman is standing. The breast will also appear to be at different heights on the chest. One breast will seem higher and one breast will seem lower. This can be noticed on the frontal view. It is important to see if the shoulders and collar bones are level when looking at the before and after photographs. With this type of variant, when the shoulders are leveled, the breast will actually appear to be at the same heights.