What is brachytherapy? Md. Saifur Rahman For blood cancer, as liquid substance, using radioactive Phosphorus, for bone cancer, using radioactive, and for thyroid surgeries using radioactive iodine is called brachytherapy. You may likeDo I need car insurance?What is car insurance?How could I get cheaper car insurance?What is auto insurance?Why Adulterant food is the barrier to sound health?What are the producers?What are food preservatives?What is food chain?What is tertiary consumer?