👉 Serotherapy, or chemotherapy for cancer cells, is a type of treatment that uses drugs to kill cancer cells. This process can be done using radioactive isotopes like 99Tc or 131I, which are used in certain types of cancer treatments called radiotherapy. It's important to note that while serotherapy may help some people with cancer, it is not a cure for the disease and its effectiveness varies from person to person. Discussing this topic further requires medical advice from