The lymphatic drainage from the breasts is very appropriate to oncology for the reason that breast cancer is common into the mammary gland, and most cancers cells can metastasize (split away) from a tumor and become dispersed to other parts of the human body by way of the lymphatic system. https://grok.com/share/c2hhcmQtMw%3D%3D_5ad6450c-533d-442c-a09c-9f7bce1babfb