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