The lymphatic drainage of the breasts is especially related to oncology due to the fact breast cancer is typical for the mammary gland, and most cancers cells can metastasize (break away) from the tumor and become dispersed to other aspects of the human body by way of the lymphatic system. https://grok.com/share/c2hhcmQtMw%3D%3D_5ad6450c-533d-442c-a09c-9f7bce1babfb