The lymphatic drainage with the breasts is especially relevant to oncology mainly because breast cancer is common into the mammary gland, and cancer cells can metastasize (crack away) from the tumor and become dispersed to other elements of your body through the lymphatic method. ) In pregnancy the areola darkens https://grok.com/share/c2hhcmQtMw%3D%3D_5ad6450c-533d-442c-a09c-9f7bce1babfb