Metastasis means cancer has spread to different body part from where it has originated, often by way of the lymph system or bloodstream. Metastasis is also called as "metastatic cancer," "advanced cancer," or "stage 4 cancer". The main reason why this cancer is serious is its ability to spread in the body. Cancer cells can spread locally by moving into nearby normal tissue and spread regionally by one Metastatic cancer has the same type of cancer cells as primary cancer or by lymph nodes, tissues, or organs.
started by magnusmedi on 04 Oct 19
https://www.magnusmedi.com/blogs/what-is-metastasis-cancer.php