Vocabulary Ex. 3. Match the words (1-5) with the definitions (A-E). 1 radiation therapy 2 immunotherapy 3 anti-angiogenesis therapy 4 oncology 5 chemotherapy A the medical specialty that studies and treats cancer and tumors B a drug or combination of drugs, given to a patient, in order to kill cancer cells C a form of cancer treatment that uses high-cells from growing D a form of cancer treatment that uses drugs or other substances to stop a tumor from building new blood vessels E a form of cancer treatment that strengthens the patient's immune system