Is radiation the same as chemotherapy?

Radiotherapy is the action of radiation, killing tumor cells. Chemotherapy is the action of drugs, killing tumor cells. Therefore, the two are different. Chemotherapy belongs to systemic treatment, while radiotherapy belongs to local treatment. Cancer treatment methods, mainly surgery, chemotherapy and radiotherapy, in recent years, the use of comprehensive treatment, for some malignant tumors can improve the treatment effect of patients, reduce the probability of recurrence and metastasis, advanced patients can prolong the survival of patients, but also help improve the quality of life of patients.