Radiation therapy means :
A. treatment of cancer by using radiation
B. treatment of brain tumors by using radiation
C. treatment of leukemia by using radiation
D. treatment of rheumatism by using medicines and oils for external use only
Answer:A
Radiation therapy means :
A. treatment of cancer by using radiation B. treatment of brain tumors by using radiation C. treatment of leukemia by using radiation D. treatment of rheumatism by using medicines and oils for external use only