癌细胞扩散是癌症患者最不愿意听到的，那癌细胞是如何扩散的呢？
The word "metastasize" means to change form, state or position. It is not a word cancer patients want to hear. Cancer can spread in a body 2 ways. As a tumor grows it may invade neighboring tissue or organs. Or, cancer can metastasize. This is when cancer cells break away from …