👉 Exophasia is a type of chemotherapy that involves the use of radioactive isotopes to destroy cancer cells. This approach uses the idea that certain types of cancer cells are more sensitive to radiation than others, and using these cells can help kill them more effectively. The term "exophasia" comes from Greek and refers to the act of removing something from a living organism (in this case, the body) in order to treat it. In the context of chemotherapy, exophasia