The breast normally refers to the front from the chest and medically precisely to your mammary gland. They modify when you acquire or reduce fat. They modify in response to birth Command drugs and hormone substitute therapy. If you're a transgender girl and take hormone remedies, you'll have breast modifications. https://grok.com/share/c2hhcmQtMw%3D%3D_5ad6450c-533d-442c-a09c-9f7bce1babfb